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Z-240
Type4

User Manual
(Advanced Operation)
Optical Connection (advanced)
Electrical Connection
Be sure that you have read and understood "Safety Precautions"
described in anoth er paper before using Z-240 .
This English Manual is provided only for INON approved export products.
This product carries official customer support (technical support, warranty
service and repair/overhaul) by INON authorized distributors/dealers or by
INON Inc. via INON authorized distributors/dealers. Please contact your INON
authorized distributor/dealer when you need customer support.
Features not mentioned in this manual are explained in separate Use Manual
[Basic Operation]. Before reading this manual , complete understanding and
familiarization with contents of [Basic Manual] is essentially recommended .

Manual Organization

Contents

This Manual (Advanced Operation] is organized as follows.
To ensure proper use , before using please read "About this product"
(P.4) to thoroughly confi rm the product's features and limitations with
each camera system .

1

About this product
Explanation of Z-240 features ,
configuring with camera systems.

2

Preparation

(ExtemalAuto/Manual/TIL)

(P.4-43)
parts

and

(P.44-55)

Explanation of preparation for External Auto I
Manual I TTL mode.

3

Using the Z-240

(P.56-71)

Explanation of operating method for each Z-240
control.

4

Reference

(P.72-83)

Specifications, options, support.

Manual Organization
Contents ..

1

············· 2

About this product.. .................................. 4

Z-240 Main Functions ..
...... ................. ..... ... 5
"S-TIL Auto" Flash Mode 5
Slave Strobe Function("S-TIL Auto"/ "External Auto" Flash Modes) ......... 5
Wireless Slave Function (wireless "S-TIL Auto" Flash Mode) ..
.. 5
Flash Function ("TTL Auto"/ "External Auto" Flash Modes)
......... 6
Shutter Linked Auto-Of! Focus Light..
. .... ... . ...... ...
. ... 6
Clear Photo System Compatible .................... .... ..... ........... .
......... 6
. .... 7
Advanced Cancel Circuitry ..
"Manual + TTL Auto" Flash Mode ................. . ........................................... 7
Reference (j) r Automatic Flash Adjustment of External StrobesJ . ....... 8
Reference ~ rn TLJ - What is it? J ......................................................... 10
Reference @ rWPre-flashJ - What is it? J
.................. 10
Reference @ r"External Auto" (External Automatic
Flash Exposure Adjustment)J ............ 10
Reference @ rw s-TIU What is it?J
........... 11
Reference @ rWMaster Strobej and WSlave StrobeJJ
..........11
Reference <J) r Advanced Cancel CircuitJ ................................................ 12
Reference @ rc1ear Photo System J
... 12
Reference ® r WManual + TIL AutoJ What is it? J ................................. t3
........... 14
Connecting Z-240 to Camera System ............................
Optical D Cable Connection
.................
. .......... 14
Wireless Connection
.......... .......
..... ..... ................ 14
Optical Cable Connection .. ............... .................. ................................ 15
Electrical Cable Connection .. ..
....... 15
Optical D Slave Cable Connection
............................................ 16
Items to confi rm before using Z-240 ...................................
... 18
Confirming how to use the Z-240 ..................................................... .. ..... 18
............ 18
Confirming camera system I master strobe I housing ..
Confirming useable functions .
........ 22
............. 26
Confirming attachment method ..
Connection example in dual strobe configuration
............................. 27
Reference (j]) rHandy multi strobe set-up with WExternal AutoJ I WManualJ
and WWireless Conenction~ J ...................... 35
Description of Parts & Controls
.... ... . .........
... 36

l
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r1cor d •ng on any 1nlorm111on 510 •1 !11 a nd 11\r l eval
1y111m now ~nown or ID be •llYllllld wlllloul pe1mu1 10 11 111 wrltong lrorn IN O N Inc

............ .... ......... 1

2
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1ncl11d1n11 pl!o l ocopy reco1d1n11 on • ny on l o•m•llon HOr•ge •nd relrleve! system no .,
w111!0111 po<mi•tlon 1n wr i ting !tom I N O N I nc

2

Preparation .... ... ....... .... ....... ................... .44

Explanation of Z-240 features to confirm before
taking images.

Before starting preparation .......................... ... .... .. .. .. ...... ......... .............. ......... 45
Camera System Preparation
.... 46
..... 46
When using with connecting to digital camera 's built-in strobe
Using with INON Optical Connection compatible camera systems ..
. 48
Using another external strobe as a slave strobe ...................................... 48
When using the Electrical Connection with the camera system. .
..... 49
Strobe Preparation .
............................................. ... ... .......... ... ......... 52
Setting Adva nced Cancel Circuit
........................................ .... ... ... 52
Setting Main Mode Switch I EV. Control Switch and
+1/4EV. Compensation Switch ................................ .......... ....... ... ...... .. ... 55

3

Using the Z-240 .... ..... .......... ................... 56

Main Mode Switch Setting Method ...

..... .. .. 57

Focus Light Switch use
··· ···· ····· ····· ......... ........ ... 59
How to use Advanced Cancel Circuit Switch ...................... ............. ..... .. .... . 60
.......
EV. Control Switch , +1 /4EV. Compensation Switch use
External Auto shooting tips .. . . ..... ...... ..... .... ........... ..... ..... .... ..... ..... .... .. .... .. . . ..
Reference @ rExposure when using strobesJ ....... ................. ....... .....
Reference ®
f Differences between using external strobes
with digital cameras and film camerasJ ... .....
Reference @ r Characteristics of Externa l Auto Exposure
Adjustment systems J
.........
Setting flash output in Manual mode and

61
65
69
70
70

maximum flash output in Manual +TTL Auto mode ............. 71

4

Reference ....... ...................... ......... ... .. .. 72

Accessories (Sold separately) ................ .

. 73

Specifications ......................................................... ...... ............... ...... ............. 77
After Service ................. ................. ............................................................... 78
................. .... .............. .... ............... 79
After Service ...

1

About this product

Manual Organization .... .... ............. ... ............ ................. .... .. ..... ....... ..... ......... .. 1
Z-240 Main Fun ctions
................ ..... ············ ····· ·········· ······ .................. 5
Connecting Z-240 to Camera System
...... .... .. ...
.................. 14
Items to confi rm before using Z-240

........... .......

............... 18

Confirming how to use the Z-240 ...... ............. ................. ....... .. ......... .... .. 18
Confirming camera system I master strobe I housing
................. 18
Confi rmin g useable functions .. .... ..... .... .... ........ ... . .. ..... ...... .... .. .. .... . 22
Confirming attachment method ............................................. .................. 26
Connection example in dual strobe configuration .............. ........... ... ... ..... 27
Description of Parts & Controls .. ... ... ..... ... ......................... ... .. ... .. .... .. ... . 36

3
Al l t!Qhl t11o er."d

N O pa<l ol !hi •

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N o pan of 1n1s m11nua1 may '" ' 1eproauceo or 1r an 1 m111ea In any lorm 01 ay any m eans
eleclfon1c or mechanica l
<nclud1ng photocopy
recoro1ng on any 1n f ormat•on s1orege and 1e1,.eve l 1y11em now
~ nown or 10 ~ - onvented
w l lh o ul p•rmo sslon '" wrl1 lng from ! N O N Inc

Z-240 Main Functions
The Z-240 is designed and manufactured to be a high perform ance, multi-function
underwater strobe with features such as "S-TTL Auto", "wireless connection"
capability without using a fiber optics , high-intensity power LED underwater light
providing 1801umen/20° coxerage , "Manual + TTL Auto" mode and several others
explained in summary below.

" S-TTL Auto" Flash Mode

Flash Function ("TTL Auto" I "External Auto" Flash Modes)
When camera shutter is released the Z-240 flashes proper amount of light in
synch with the camera system . Nikonos 5 pin type synch connector enables
"electrical cable 11 connection in addition to existing "optical connection".

When using with compatible camera systems the Z-240 operates in "Nikonos"
type I TTLAutoJmode common in conventiona l film camera systems , !Manual
+ TTLAutoJ mode combined system of advantages of TTL Au to and Manual
mode, !External AutoJ mode, which does not need a strobe control signal
from the camera and I ManualJ mode with 13 adjustable steps of flash output
control.

By optically connecting to pre-flash type digital cameras (with an "Optical D
Cable" or by "wi reless connection "), the Z-240 enables to shoot in "TTL Auto
exposu re" supporting a wide range of cameras , regardless of make or
model.

The Z-240 carries more sensitive slave sensor comparing to

existing models enabling highly accurate exposure control.

Slave Strobe Function("S-TTL Auto" I "External Auto" Flash Modes)
When connected to another (master) strobe, the Z-240 flashes in synch with
the master strobe. Connecting to compact digital camera is also employ
slave system to camera 's built-in strobe (master strobe).
When connecting to pre-flash type camera , the Z-240 itself automatica lly
adjusts for proper exposu re in IS-TTL AutoJ mode. Other slave flash
modes are !External AutoJ mode, which does not need a strobe control
signal from th e camera , and IManualJ mode with 13 adjustable steps of
flash output control.
Wireless Slave Function (wireless "S-TTL Auto" Flash Mode)
The Z-240 has ultra sensitive slave sensor to receive master strobe flash
light without "fiber optics" to support handy wireless slave strobe set-up with

Shutter Linked Auto-Off Focus Light'
The Focus Light has two main functions. First it shines light on the subject ,
increasing reflectivity/contrast so both Manual and Auto Focusing are easier.
Also, it helps aim the strobe's beam axis on or near the subject. The Focus
Light uses Cree high-intensity power LED (XR-E "Q5") which is useable as
independent diving light providing 1801m and 20° coverage . Upon activating
the Focus Light Switch , the Focus Light will turn on , and upon sensing the
camera's internal strobe flash , wi ll automatically turn off so no light from the
2
Focus Light is recorded in the image . Also the Focus Light can be set to turn
off automatically in about eight seconds if the Focus Light Switch is not pressed
again .
Clear Photo Svstem Compatible
"Clear Photo System" allows the external strobe (Z-240) to be more effectively
used as a Slave Strobe , and enables cleaner, higher quality images by
reducing the amount of backscatter3 caused by light coming from the camera's
built-in strobe illuminating suspended particles in front of the lens.
Clear Photo System was designed into the Z-240. "Clear Photo Film",
included with INON "Optical D Cable/Cap Set" available for various cameras I
housing systems, enables Z-240 utilize Clear Photo System by connecting
4
INON Optical D Cable/Cap Set .

compatible strobe arm . Under wireless circumstance with pre-flash type
digital camera , either of I S-TTL AutoJmode where strobe controls exposu re
as like ''TTL Auto",

I External AutoJ mode where the Z-240 controls flash

output by itself without camera's control or l Manua lJmode to provide 13 step
manual flash adjustment, is usable

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1 For actual operation method, refer to r 3. Using the Z-240 - Focus Light Switch use (P.61)J .
2 When shooting with shutter speeds slower than 0.5 second s, the Focus Light ma y be recorded in the
image. Also, with some camera systems the Focus Light may be recorded in the image. ~ee r3.
Usi ng the Z-240 - Focus Light Switch use (P.6 1)Jand r 1. About This Product - Items to confirm before
using Z-240 - Confirming usable functions (P.23)J for reference.
3 Small pa rticles suspended in water between lens and subject. which if illuminated by strobe, reflect
into the lens and appear as white specs or "snow".
4 Com patible only with ~O p ti cal D Cable Connectionn . Not usable for ~Wire l ess Connectionn .

Advanced Cancel Circui try
Used when Z-240 connected to pre-flash type digital cameras , and shooting in
I External AutoJ or I ManualJ modes. A special ci rcuit in the Z-240 which
utilizes the pre-flash type camera's light adjustment principles to suppress the
camera's main ftash with following benefits :

Shortens camera's internal strobe recycle time, allowing quicker
follow-up shots.

Reduces ca mera's battery consumption , so more images can be taken
per set of batteries .
Advanced Cancel Circuitry turns OFF in IS-TTL Auto J mode. which



reproduces the pre-ftash camera's flash adjustment method I TTL Auto
mode and

J

! Manual+ TTL AutoJ mode.

" Manual+ TTL Auto" Flash Mode
"Manual + TTL Auto" is a function that can significantly avoid overexposure
caused by TTL error or inappropriate Manual setting by allowing maximum
flash output of the TTL Auto mode to be set manually. "Manual +TTL Auto" is
available for TTL Auto compatible camera/camera system under "Electrical
Cable" connection .

Refe rence G) r Autom atic Flash Adjustment of External St robesJ
When using external strobes, in order to automatically adjust the amount of flash output
and properly expose the subject, it is necessary to calculate and control the strobe's flash
duration (light output amount) using the following information .

ISO sensitivity

Aperture value

Reflectivity of the subject
Of this information, depending on the method of measurement and part of the subject
being measured for reflectivity, the methods of automatic flash output adjustment can be
classified as follows :
1. During exposure the camera meters {measures) in real time
• Subject reflectivity measured TIL (Through The camera 's Lens) in real time: strobe
quenches (turns off) at time of "proper" exposure.
(Real Time TIL A uto Exposure Adj ustm ent)
• Using a light sensor on the camera . subject reflectivity is measured in real time ;
strobe quenches at time of ~p rope r" exposure .
(Real Tim e Auto Exposu re Adjustment)
2. Before exposure camera meters (measures) a "pre-flash"
• Camera's internal strobe fires a small ~ pre-flashn to illuminate the subject. During
pre-flash , subject reflectivity measured TIL; based on this information. second (main)
flash duration is calculated , and then strobe fires main flash quickly afterwards, only
for the calculated duration .
(Pre-fla sh TIL Auto Exposure Adjustm ent)

3. During exposure strobe itself measures in real time
• Using a light sensor in the strobe, subject reflectivity measured in real time, with
strobe quenching at time of "proper" exposure.
(Extern al Auto Flas h Expos ure Adj ustment)
For each of these automatic flash adjustment methods to work, besides a signal
instructing the external strobe to fire , following information is necessary. Also the
various combinations of cameras (and master strobes) and external strobes must be
compatible with each other 's signal transmission methods and have connection method.
- In case of 1) above: Camera - External Strobe Instruction to stop flash
- In case of 2) above: Camera - External Strobe Instruction to stop flash or
Instruction for flash duration
External Strobe - Camera External strobe information
- In case of 3) above: Camera - External Strobe ISO Sensitivity information, and
Aperture value information
As of April 2009, the majority of consumer digital cameras use r Pre-flash TIL Au to
Unlike conventional 35mm film camera systems with the
Ex posure Adju stmentJ
widely adopted I Real Time TTL Auto Fl ash Adju stmentJ , most current digital cameras
cannot use such automatic exposure adjustment with external strobes designed for Real
Time TIL (such as SB-105, YS-120 etc.). Likewise , except for some dedicated land
strobes for certain camera brand s, there are no external strobes yet available fully
compatible of functioning with the various r Pre-flash TIL Auto Expos ure Adj ustmentJ
type cameras available.

8
All ,.11111 re•••Y•a
N o paf1 or th •• man1111 may be •ep•od11cea o r 1r1n•m1L1ed 111 any 1arm o• by eny mean•
elec1<on1c or mecn1n1c1I l11cludl n g p hotocopy 11cord1 n g on any 1n1orm111on s101age and r1tr1evll •y.iam now
• nown 01 10 bl !n•e n ted
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(Continued)
The main reasons are:
• Because pre-flash specifications and protocol have not been standardized
between the camera manufacturers.
• The external strobe to camera signal transmission specifications have not
been standardized between camera manufacturers , and the communication
method used by most ~xist ing external strobes has not been adopted in most
digital ca meras.
For such camera to have a common un iversa l auto light adjustment system , the following
are necessary.
1) The external strobe itself must be able to receive the camera 's built-in flash , copy
the pre-flash, and then send the camera necessary information about the subject's

Reference @ f ITTTLD - What is it? J
TTL stands for Th rouah The Lens that 1s light which passes through the camera lens.
In order to obtain proper exposure, of various methods to measure exposure amount, light
passing thro ugh the lens and directly striking the light sensitive medium/device (silver
halide film , image sensor (CCD) etc.) is metered directly; or, metered indirectly if it is
reflected off the light sensitive medium/device.
An external strobe using these TTL metering methods of automatic light control is called a
"TTL Strobe" and an extern al slave strobe set to synchronize with the master strobe's fla sh
duration is ca lled a "TTL Slave Strobe".
For the purposes of this Manual, we distinguish between two types of TTL light adjustment.
f Real Time TTL Auto Exposure Adjustment J in wh ich TTLmetering and
exposure adjustment is performed in Real Time during the shutter is open
f Pre-flash TTL Auto Exposure AdjustmentJ in which TTL metering is performed
before the shutter is open (pre-flash) and determine main-flash duration with the TTL
metering data .

reflectivity in real time without electrical connection .
2) The external strobe itself must, to a certain extent, independentl y exe"cu te

automatic flash adjustment, without reliance on the camera 's real-time information .
The Z-240 achieves 1) above with fS-TTL AutoJ mode for "TTL" Auto with most
And , for 2) above, with I External AutoJ mode where

f pre-flash TTL AutoJ cameras.

the Z-240 external strobe itself adjusts for light, and f Advanced Cancel CircuitryJ for
compatibil ity with the vast majority of r pre-flash TTL AutoJ and of course fReal Time
Auto Exposure J type cameras.
Refer to ! Reference @ rnTLD - What is it? J (P.1O)J and ! Reference ~ f~ Pre-flash D
- What is it? J (P.10) Jfor details of TTL , refer !o f Reference @ f "External Auto" (External
Automatic Flash Exposure Adjustment)J (P.1O)" for detail of External Auto Exposu re
Adjustment and refer to f Reference
f Advanced Cancel CircuitJ

"Advanced Cancel Circuit (P.12)J for detail of

Reference @ fIT Pre-ftashD - What is it? J
"Pre-flash " means preliminary flash or sometimes it means Pre-flash TTL Auto Exposure
Ad justment itself.
Camera 's internal strobe fires one or more small flashes before the main flash . Reflected
light from the pre-flash(s) is measured by the camera and used to calculate the main flash
duration, for correct exposure.
In general, for "Pre-flash TTL Auto Exposure Adjustment" type camera systems, the
subject reflectivity must be metered in order to ca lculate the main flash duration (intensity)
before the shutter opens to actually reco rd the image,
In order to meter the subject reflectivity, the camera fist fires one or more small flashes
(pre-flashes) to measure the reflected light back from the subject. And the camera
ca lcu lates appropri ate main flash duration based on th e reflectivity.

To determin e what kind of automatic exposure adjustment method you r camera has ,
check your ca mera manual and
Z-240 (P.18)J

r1. About This Product -- Items to confirm before using

Flash Ad justment Type Naming Conventions used in this Manual (camera group):
Real Time TTL Auto Exposure Adjustment

IR-TTQ

Real Time Auto Exposure Adjustment

~

Pre-flash TTL Auto Exposure Adjustment

IP-TTQ, IE-TTQ,

IE-TTL~

li-TTQ, li-TTL(3~, IP-TTL(S~
External Auto Flash Exposure Adjustment (with pre-flash)
External Auto Flash Exposure Adjustment (without pre-flash)
Manual Flash Exposure Adjustment (with pre-flash)
Manual Flash Exposure Adjustment (without pre-Hash)

~
~
~
~

Reference @ ["External Auto " (External Automatic Flash Exposure Adjustment) J
A function/strobe where th e strobe has a built-in light adjustment sensor and the light
adjustment sensor ad justs flash output based on subject reflectivity fo r "correct" exposure.
By matching strobe's [ISO sensitivity) and [aperture value) to came ra 's setting , the built-in
light adjustment sensor meters [reflectivity of subject] in real time upon starting to flash and
control flash duration by itself. "External Auto " sometimes refers to "External Auto"
compatible strobe itself

""Y

10

All t1g h1 re1erveo
N o p ar! o r t h•• m•nu•I
lie reptoauce11 ot H•n1m11ua I n any farm or lly any mean\
11ee\1onoe or meenano c al
• n cludlng phclo cc p y ••co 1a lng on any ln ! orm al •on Horag e an d ' •l• le val • Y•tem now
known ot lo be ln v""'"O
wlthoul pa 1 m111lon In w "1ong lr om INON In c

Reference @

Reference (J) r Advanced Cancel CircuitJ
Utilizing the light control theory of pre-flash TTL Auto type digital cameras, compared to

rIT S-TTLn What is it? J

S-TTL is an abbreviation of Optical Synchro TTL

conventional strobes with a simple pre-flash cancel circuit which cause the came ra's

INON unique automatic light control system in INON Z-240 strobe providing "TTL Auto
Flash" with pre-flash TTL Auto type cameras by transmitting flash/quench information from

Cancel C ircuit effectively reduces the camera 's main flash which shortens internal strobe

internal strobe to emit a full discharge on the second, main flash , the Z-240 Advanced

strobe to camera via an optica l signal in stead of a camera maker specific e lectrica l signal

and electrical cord.

Reference @ r ITMaster Stroben and ITSlave StrobenJ

recycle time for faster follow-up shots and reduces camera battery consumption so more
images can be taken per set of batteries.

IT External Auld mode and IT"Manualn mode can utilize Advanced Cancel Circuitry.
ITS-TIL Auton mode reproduces camera 's pre-flash and pre-flash non-compatible ITTTL
Auto n mode I ITManual +TTL Auto n mode does not require the Advanced Cancel Circuitry
and automatically turns OFF .

"Master" and "Slave" are terms corresponding to "which strobe is the controlling device"
and "which strobe is being controlled ".

Reference @ r c1ear Photo SystemJ

When using two strobes (including the case of the camera 's internal strobe and the Z-240),
where both the camera 's strobe and Z-240 are directly connected to the camera/housing,

and are controlled by the same signal . since there is no difference in function , there is no

A system where Z-240 flash control uses infrared light, not visib le light.

Attaching a

ITClear Photo Filtern , which is included with all INON Optical D Cable/Cap Set, to the
camera 's internal strobe a llows just the infrared light signal pass , which is then transmitted

distinction between Master and Slave.

by fiber optic to the strobe.

However, it is possible to connect only one of the strobes directly to the camera/housing ,

flash , and suppression of backscatter, resulting in clearer better mages. C:~:D

with the oth er strobe connected to the first strobe .

Currently, r s-2000 J , r z-240 J , r o-2ooow J , r o-2000Wn J , r o-2000J , rD-2000S J

The strobe connected to the

camera/housing (Master) receives contro l signals directly from the camera and flashes.

At that time, the other (Slave) strobe is activated by the master strobe's flash.

The result is reliable and consistent external strobe slave

rD- 180J , rD-180S J , I Z-220 J , IZ-220S J and I Z-220F J strobes have been tested and
confirmed compatible with this system.

"Master" and "Slave" terms are used when the two strobes have such definite master/slave
For actual details of using this system and its benefits , see user manual included with

relationship .

Optical D Cable/ Cap Set Type L for you r camera system/C lear Photo System.
This user manual uses following connection method terminology depending on master

strobe type.
IT Optical D Cable Connection ~

(lli) Compatible only with ITOptical D Cable Connectionn .
Master strobe is camera 's built-in flash .

ITOptical D Slave Cable Connection n Master strobe is an external strobe .

11

Not usable for ITWireless Connectionn

Reference @

r IT Manual+ TTL Auto n

Wh at is it? J

"Manual + TTL Auto" is a strobe or a fu nction that can significantl y avoid overexposure
caused

by TTL error or inappropriate Manual setting by a llowing maximum flash output of

the TTL Auto mode to be set manually.
In ITManual +TTL Auton . the flash duration in ITTTL Auton obtained from the
camera/camera system and the.flash duration of Z-240 ITat flash output set manua11yn ," are

compared . The smaller of the two amounts of flash output is used con trolling the actual
fla sh emission.
Even under conditions unsuitable for conventional TTL Auto mode, such as when
shooting a mid-range subject, full-power emi ssion will be prevented by manually setting
required flash outpu t for th e subject wh ich suppress fla sh output at the preset va lue even

when TTL error occurs. This wi ll considerably reduce overexposure, and increase the
number of usable images.
In addition, using this mode as an alternative to Manual fla sh wi ll greatly reduce

overexposure caused by inappropriate flash output settings, and will lessen a burden

required for exposure calculation for every shot.

Connecting Z-240 to Camera System
The Z-240 can receive strobe control signals several ways. Depending on how
you intend to use the Z-240 will determine the control signal reception method ,
and the way of connecting the Z-240 to your camera system/master
strobe/housing . Before attempting to use your strobe , it is important to
understand the connection method releva nt for your situation .
When using as a slave strobe to a digital camera 's built-in strobe (master
strobe/

f()ptical D Cable Connection!
Transmit camera 's built-in strobe light to ! Slave SensorJ of Z-240 via
5
optional Optical O Cable Tvpe L to flas h in synch with master strobe .
In addition to connecting to compact digital camera system or digital SLR
camera system (enables to emit built-in strobe like INON X-2) to shoot in
"S-TTL auto" mode, explained in detail in the separate manual [ [Basic
Operation) 11. Preparing to Take lmagesJ (P.14)], shooting in "External Auto"
or "Manual" mode by connecting the camera's built-in strobe or connecting 2
strobes including Z-240 , falls under this connection method .
There is no limitation on strobe arm selection to support wide variety of strobe
arm configuration depending on a subject or an attachment lens.
!Wireless Connection!
Transmit camera's built-in flash light to the Z-240 via optional Wireless
Connection Kit to easi ly flash in synch with master strobe .
In addition to attaching single Z-240 to camera system with specifi c strobe arm
not using dedicated fiber optics to shoot in "S-TTL auto" mode, explained in
detail in separate manual [ [Basic Operation) 1. Preparing to Take Images] or
shooting in "" External Auto" mode/Manual" mode falls under this connection
method.
Only specific strobe arm is confirmed compatible but not necessary to prepare
dedicated fiber optics to provide simple and inexpensive external strobe
shooting.

5 Depending on your housing model , other parts besides Optical D Cable Tve e L may be necessary.
For reference see I 1. About This Product - Items to confirm before using the Z-240 - Confirming how

to use the Z-240 (P. 18)J and

13
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r4.

Reference -- 4. Reference -Accessories (P.73) J .
t4

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When using with direct connection to /NON Optical Connection System

compatible camera system 6•7
IQptical Cable Connection!
Connect r s 1ave SensorJ of Z-240 and r optical ConnectorJ of INON Optical
System compatible camera system by optional Optical Cable Tvpe L 8
without usi ng camera's bui lt-in strobe.
When connecting to an IN ON f X1-ZJ/fX1-NZ JJrX 1-LZ J (housi ng for a
Canon EOS Kiss se rie s f"m camera) or Nikon r Nikonos VJ / r Nikonos RSJ
with INON r optical Converter TTLJ when connecting to a system that has , an
option that allows optical connection system-compatible optical control sig nal
output, onto synch socket , such as , shooting is possible in "Manual" mode as
well as ''TTL Auto" mode , with greatly reduced ri sk of water leakage at the
electric connectors, which was major problem when connecting by the
conventional electrical cable.
In addition , when connecting to a system with INON [ Optical Converter DJ,
which is an option that allows optica l connection system-compatible fla sh start
sig nal output, on synch sockets, such as Nikon DSLR{dig ital sing le-lens refl ex
camera) 0100/070/0 200 housing, An this f Nexus D100 J/[ Nexus D70 J/
fNexus D200J, it is possible to shoot in "Manual" mode and in "External Auto"
mode.
Va rious kind of optical cable enables to connect either single strobe or dual
strobe co nfiguration.
When directly connecting to a camera/camera system
equipped with Nikonos 5-pin type electrical connector

"External Auto" and "Manual" shooting is also useable when directly
connecting to a digital camera system like INON rx-2J (for Canon digital SLR
camera EOS 1OD/200/300) or Anthis r Nexus 01 OOJ (for Nikon 0100 )1 r Nexus
D70J (for Nikon 070) 1rNexus D200J (for Nikon 0200 )/r Nexus D80J (for Nikon
0 80) .
Th eoretically, it is possible to work in "TTL Auto" shooting even though connecting to a
digital ca mera system using ~ Electri ca l CableD when using a "conve rter( *)" which ca n
convert digital camera 's strobe control sig nal into Nikonos V compatible strobe contro l

signal.
(*)Currently lNON does not confirm any converter to work with Z-240.

When using as a slave strobe to another external strobe !master strobe)

9

IQptical D Slave Cable Connection!
Transmits master strobe light to Slave Sensor of Z-240 (slave strobe) via
0

optional Optical D Slave Cable Type L ' Optical D Slave Cable 2 Tvpe L '
or Optical Slave Cable Tvpe L 11 to fl ash in synch with the master strobe .

0

Th is connection method is for dual strobe configuration when the
above-mentioned Optical D Cable Connection or Optical Cable Connection is
not used where connecting extra strobe to single strobe configuration in
Optica l D Cable connection I Optical Cable connection I Electrical Cable
connection .
Necessary preparation and optional parts is explai ned from next page .

lElectrical Cable Connection!
A conventional connection method that directly transmits the strobe
control signal of the compatible Nikonos 5 pin type electrica l connector
eq uipping camera/camera system to Z-240 via electrical cable Sea&Sea
's "Synch Cord N" to fire in synch with the signal.
"TTL Auto", "Manual", and "Manual + TTL Auto" shooting is available with TTL
auto compatible film camera/camera system like INON rx 1-LZJ {for Canon film
SLR ca mera EOS Kiss series), Nikon r Nikonos VJ I I Nikonos RSJ , An this
r Nexus F1 OOJ (for Nikon F100) , r Nexus Master J (for Nikon F90) or I Nexus
F4PROJ (for Nikon F4).

6 Refer to r 1. About This Producl - Items to Confirm Before Using Z-240 (P.18)J for details of useab1e
functions of housing.
7 INON _X1 Series housings (X1 -Z, X1-NZ , X1-LZ) and cameras/camera systems properly works with
r o~t 1cal Converter TIL for X1 J , r Optical Converter TILJ and r optical Converter DJ are compatible.
*Optical Converter TIL is not available in the U.S.
8 Depending on system configura tion. three different types of Optical Cable Type L are available.
See r4. Reference -Accessories (P.73)J for details.

15

Wireless slave connection is not possible for S-TTL Auto/TTL Auto/Manual+ TTL Auto mode.
Always connect with Optical D Slave Cable 2 Type L etc. External A_uto/Manual mod~ can use
wireless slave cable connection. Refer to Reference .@ f Handy multi strobe set-up with rr Externa1
Auto~ I ~ M anu al !J (P.35).
10 Only INON S-2000, Z-240, D-2000W, D-2000Wn , D-2000. D-20005. Z-220 , Z-220$, Z-220F, D-180,
0-1 BOS master strobes have been tested and confirmed for compatibility. See r1. About This
Product- Items to confirm before using the Z-240- Connection example in dual strobe configuration

(P.27)J for reference .

Compatible "Optical O Slave Cable~ varies depending on master strobe you use. Please refer to r1.
About This Prod uct- Items to confi rm before using the Z-240 - Confirming how to use the Z-240 J
(P.18)
11 Cinch band length of TTL Optical Slave Cable Tvpe L (long or short) depends on size of master strobe.
See r4. Reference -Accessories (P.73)J for details.

16


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