Pixapro ST-III Manuel utilisateur

705-X1S000-00 Made In China
For Sony
English
TTL
TTL Wireless Flash Trigger Set
PIXAPRO® LTD.
50 Popes Lane,
Oldbury,
West Midlands,
B69 4PA
Tel: 0121 552 3113
Web: www.essentialphoto.co.uk
E-mail: [email protected]
Company Registration No. 07601334
82.A0000DP0-00

Foreword
Warning
Names of Parts
Body
Transmitter Panel
Battery
Installing Batteries
Low Battery Level Indication
Using the Flash Trigger
As a Wireless Flash Trigger
As a Wireless Flash Trigger with PC
Sync Socket
02
03
04
07
08
Setting the Transmitter
Power Switch
Power Switch of AF Assist Beam
Channel Settings
Mode Settings
Group POWER/FEC Settings
Multi Flash Group ON/OFF Settings
Multi Flash Parameter Setting
Group Settings
Test Flash
Modeling Flash Control
Automatically Enter Power Saving Mode
C.Fn: Setting Custom Functions
Setting the Camera
Selecting the Operation Method
Setting the Receiver
Channel Settings
Group Settings
Automatically Enter Power Saving Mode
Attentions
Caring for Flash Trigger
Technical Data
Compatible Camera Models
09
21
22
22
23
24
Contents Foreword
Thanks for your purchase of this ST-III S TTL wireless flash trigger.
This TTL wireless flash trigger only applies to SONY cameras. It can also directly control
flashes which have built-in Pixapro wireless ONE system (e.g. Li-ion580II S, HyBRID360
TTL , CITI600 TTL, CITI600 Manual, STORM II, etc.). As to the flashes which do not
have Pixapro (e.g. Li-ion580, HyBRID360, etc.), a PRO AC 2.4GHz or ST-I 2.4GHz
receiver can be used in combination to achieve manual flash control. Featuring multi-
channel triggering, stable signal transmission, and sensitive reaction, it gives
photographers unparalleled flexibility and control over their strobist setups. ST-III T-S
can also connect to the cameras which have PC sync sockets. It supports high-speed
sync function and the max flash synchronization speed is up to 1/8000s *.
*: 1/8000s is achievable when the camera has a max camera shutter speed of 1/8000s.
- 01 - - 02 -

- 03 - - 04 -
Do not disassemble. Should repairs become necessary, this product must be
sent to an authorized maintenance center.
Always keep this product dry. Do not use in rain or in damp conditions.
Keep out of reach of children.
Do not use the flash unit in the presence of flammable gas. In certain
circumstance, please pay attention to the relevant warnings.
Do not leave or store the product if the ambient temperature reads over 50℃.
Turn off the flash trigger immediately in the event of malfunction.
Observe precautions when handling batteries
Use only batteries listed in this manual. Do not use old and new batteries or
batteries of different types at the same time.
Read and follow all warnings and instructions provided by the manufacturer.
Batteries cannot be short-circuited or disassembled.
Do not put batteries into a fire or apply direct heat to them.
Do not attempt to insert batteries upside down or backwards.
Batteries are prone to leakage when fully discharged. To avoid damage to the
product, be sure to remove batteries when the product is not used for a long
time or when batteries run out of charge.
Should liquid from the batteries come into contact with skin or clothing, rinse
immediately with fresh water.
Warning
CH/OK Channel
Setting Button
GR Group Setting Button
Select Dial
Hot Shoe Camera
Connection
LCD Panel
Names of Parts
Transmitter
Power Switch
--ON (Power On)
--OFF (Power Off)
AF Assist Beam Switch
--ON(AF Assist Beam outputs)
--OFF(AF Assist Beam do
not output)
Status Indicator Lamp
--LED Red Color Lamp
TEST Trigger Button
Micro USB Port
PC Sync Socket
Battery
Compartment
Single Hot Shoe
Camera Flash
Connection
(only triggering)
Body
MODE Mode Selection Button

Names of Parts
2.5mm Shutter
Release Port
Receiver
TEST Trigger Button
Power Switch
--ON (Power On)
--OFF (Power Off)
Status Indicator Lamp
--LED Red Color Lamp
CH Channel Setting Button
GR Group Setting Button
LCD Panel
Hot Shoe Speedlight
Connection
Micro USB Port
Battery
Compartment
- 05 - - 06 -
GRCH
Names of Parts
(A) Group Setting (B) Channel Setting (C) Low Battery Indicator
Receiver Panel
Transmitter Panel
C
BA
(A) Output Settings per Group in the M Mode; FEC Settings per Group in the TTL Mode
(B) Mode Settings (C) Group (D) Currently Selected Group (Operation Method 2)
(E) Channel Settings (F) Multi Mode Icon (G) Synchronization Delay Setting Icon
(H) Low Battery Indicator (I) Single Contact Icon
CH
AB
C
D
E
H
G
I
F

Installing Batteries
As shown in the illustration, slide the battery compartment lid of the transmitter and
receiver and insert two AA batteries (sold separately)separately.
Low Battery Indication
When the battery power (2 AA
batteries <2.0V) gets low,
Status Indicator Lamp blinks
quickly (blink cycle=0.5s).
Please replace new batteries,
as low power leads to no flash
or flash missing in case of
long distance.
Battery
- 07 - - 08 -
Using the Flash Trigger
Note: To set ZOOM functions, please open the ZOOM functions on the camera flash.
1. As a Wireless Flash Trigger
1.1 Mount the transmitter on camera hotshoe and turn it
on before turning on the camera.
1.2 Set the transmitter and the receiver to the same
channel by pressing Channel Setting Button.
1.3 Press the camera shutter button, and the flash will
be triggered simultaneously. Status Indicator Lamp
of transmitter turns red.
The flash trigger features the following functions:
2. As a Wireless Flash Trigger with PC Sync Socket
2.1 Set the transmitter end and receiver end to the
same channel and group.
2.2 The transmitter will control the flash on the receiver
end to fire via using PC Sync Socket as input by
default.
2.3 Press the camera shutter and use the PC Sync
Socket's signal to control the flash.
2.4 PC Sync Socket can also be set as output. Long
press the <CH/OK> Button of the transmitter until
<Fn> is displayed on the panel. Then, set the value
of C.Fn-03 to ou, and the PC Sync Socket is under
output mode.

Setting the Transmitter
Slide the Power Switch to ON, and the device is on and Status Indicator Lamp will not
blink.
Note: In order to avoid power consumption, turn off the transmitter when not in use.
Power Switch
Slide the power switch to ON, and the AF lighting is allowed to output.
When the camera cannot focus, the AF assist beam will turn on; when the camera can
focus, the AF assist beam will turn off.
Power Switch of AF Assist Beam
Channel Settings
1. Short press the <CH/OK> Button until the
channel amount blinks.
2. Turn the Select Dial to choose the
appropriate channel. Press the <CH/OK>
Button again to confirm the setting.
3. This flash trigger contains 32 channels which
can be changed from 1 to 32. Set the
transmitter and the receiver to the same
channel before usage.
CH
- 10 -- 09 -
Setting the Transmitter
Mode Settings
1. Short press the <GR> Button and the
selected group will blink. Click to choose
downwardly and double-click to choose
upwardly.
2. Short press the <MODE> Button and the
selected groups' modes will be changed by
the order of TTL/M/--(-- represents OFF,
which means that the current group will not
fire flashes in this mode).
Group POWER / FEC Settings
1. Short press the <GR> Button and the
selected group will blink. Click to choose
downwardly and double-click to choose
upwardly.
2. Turn the Select Dial to change the power or
flash exposure compensation settings.
When the current group is in the M mode, the
power output value is changeable from
1/1 full power to Min. [Note 1] power in 0.3 stop increments. When the current group is
in the TTL mode, the FEC amount is changeable from -3 to 3 in 0.3 stop increments.
When the current group is in the -- mode (flash off), the amounts will not change.
3. Short press the <CH/OK> Button again to confirm the setting.
CH
CH

Setting the Transmitter
[Note 1]
Min. refers to the minimum power output value that can be set in M/Multi mode. 1/128 or 1/256 can be
set according to C.Fn-05.
The minimum power output value is 1/128 and cannot be set to 1/256 for most of camera flashes.
However, the value can change to 1/256 when using in combination with Pixapro strong power
flashes e.g. CITI600 TTL, etc.
Multi Flash Group ON/OFF Settings
1. Open the multi flash in the C.Fn Custom
Functions (set C.Fn-04 as 1).
2. Short press the <GR> button to select the
group. Click to choose downwardly and
double-click to choose upwardly.
3. Short press the <MODE> Button to change
the mode of selected group.
4. The current group’s mode will be changed by
the order of on/-- (-- represents OFF, which
means that the current group will not fire
flashes in this mode).
- 11 - - 12 -
Setting the Transmitter
Multi Flash Parameter Setting
1. Enter into multi flash mode before setting.
2. Press the <MODE> Button to enter multi
flash parameter setting menu.
3. Then, P (output value), T (flash times) and H
(flash frequency) will be displayed on the
LCD panel.
4. Short press the <GR> Button to choose the
settings. Turn the Select Dial to change the
blinking setting amount. Continue to press
the <GR> Button until all the amounts are
set. Then, short press the <MODE> Button to
exit.
Note: As flash times are restricted by flash output value and flash frequency, it might get
automatic adjustment.
The times that transported to the receiver end are a real flash time, which is also related to the
camera's shutter setting.
Group Settings
1. Long press the <GR> Button to set all the groups that in the same modes
simultaneously.
2. The settings of the groups which are in the same mode with the current group will
blink. Turn the Select Dial to change the settings.
3. If the current group is in the M mode, all the other groups which are in the M mode will
change their power output value simultaneously. The power output value is
changeable from 1/1 full power to Min. power in 0.3 stop increments, until one of the

Setting the Transmitter
group’s setting turns to the maximum (1/1) or the minimum (Min.). If the current
group is in the TTL mode, all the other groups which are in the M mode will change
their FEC amount simultaneously. The FEC amount is changeable from -3 to 3 in 0.3
stop increments, until one of the group’s setting turns to the maximum(3) or the
minimum(-3). If the current group is in the -- mode (flash off), the amounts will not
change.
4. Short press the <GR> Button again to confirm the setting.
Test Flash
1. Press the <TEST> Trigger Button to see the
whether flash will fire normally or not.
2. Fully press the <TEST> Trigger Button, and
the Status Indicator Lamp turns red and the
flash can be triggered.
3. The settings on the transmitter end will
synchronize to the receiver end at the same
time.
Modeling Lamp Control
Double-click the <CH/OK> Button to power ON/OFF the modeling lamp.
- 14 -- 13 -
Setting the Transmitter
Automatically Enter Power Saving Mode
1. The flash trigger will go into standby mode after the transmitter enter sleep mode, and
the displays on the LCD panel will disappear.
2. Press any of the button (<TEST> fully pressed/<CH/OK>/<GR>/<MODE>) can wake
up the flash trigger. If the transmitter is attached to the CANON EOS camera, half
press the shutter can also wake up the system.
3. If the transmitter is set to single contact mode( isdisplayed), the system will not
enter power saving mode.
The following table lists the available and unavailable custom functions of this flash.
Note: Some icons will be displayed when setting the relevant custom functions to make users
have a good understanding.
Functions
Synchronization
delay setting
Single contact
mode
Custom
Functions No.
C.Fn-00
C.Fn-01
Settings and Description
OFF
Master flash synchronization delay N*100 us
(synchronization delay icon is displayed.)
OFF
ON (The single contact mode set icon is displayed.)
It is advisable to set the transmitter to single contact
mode when using it to trigger the flash by PC cord or
through camera's single contact.
Setting Signs
00
1~100
--
on
C.Fn: Setting Custom Functions

Setting the Transmitter
Functions
Zoom setting
Multi Flash
ON/OFF
Number of groups
Beep
Send setting
values forcibly
APP mode
Custom
Functions No. Settings and Description
Changing with camera's Zoom value. Flashes' auto
zoom functions should be turned on.
Zoom(20/24/28/35/50/70/80/105/135/200 mm)
PC sync socket connects with camera
PC sync socket connects with flash
Multi flash OFF
Multi flash ON
The minimum power output in M/Multi mode is 1/128
The minimum power output in M/Multi mode is 1/256
A/B/C
A/B/C/D/E
ON
OFF
Only send after the setting values have been changed.
Forcibly send the setting values before firing even
though the values has not been changed.
The transmitter is in the master mode, which can set
the receiver’s mode and output on the transmitter end.
Open the APP mode and the transmitter can only trigger
flashes. Only channel and custom settings can be
adjusted and the LCD panel will display APP.
Setting Signs
AU
20,24,28,35,50,
70,80,105,135,200
in
ou
--
on
1/128
1/256
03
05
--
on
--
on
--
on
PC sync socket
connects with camera
/camera flash
Minimum power
output in M/Multi
mode
C.Fn-02
C.Fn-03
C.Fn-04
C.Fn-05
C.Fn-06
C.Fn-07
C.Fn-08
C.Fn-09
- 16 -- 15 -
1. Press the <CH/OK> Button for 2 seconds or longer until <Fn> is displayed.
2. Select the custom function No.
* Turn the Select Dial to choose the Custom Function No.
3. Change the Setting.
* Press the <GR> Button until the custom function No. blinks.
* Turn the Select Dial to set the desired number. Pressing <GR> button will confirm
Setting the Transmitter
the settings.
* Press <MODE> button to exit the C.Fn settings.
Setting the Camera
To trigger ST-III T-S, please set camera's flash mode to fill flash, auto flash, slow
flash or rear curtain flash.
ST-III T-S cannot be triggered when the camera is set to wireless lighting mode (WL).
Flash Mode
SLOW
REAR
WL
Fill-flashFill-flashFill-flash
Flash Mode
SLOW
REAR
WL
WirelessWirelessWireless

Setting the Transmitter
Selecting the Operation Method
Press the <CH/OK> Button for 5 seconds to switch the operation methods (Method
1/Method 2).
ST-III T-S Operation Method 1(by default)
Function
(under normal status) Enter CH settings;
(under settings)Confirm and back to normal status
Control the ON/OFF of modeling flash
Enter C.Fn custom settings
Switch the Operation Methods (Method 1/Method 2)
Select the group downwardly
Select the group upwardly
Select all the group
Switch the flash mode of the group (TTL/M/OFF)
Function
No (3 groups)/Turning(5 groups)
Adjust the channel amount
Adjust the group's POWER/FEC amount
Operation
Short press
Double-click
Long press for 2 seconds
Long press for 5 seconds
Short press
Double-click
Long press for 2 seconds
Short press
Status
Normal
Set the channel
Set the group
TTL/M Mode
Button
CH/OK
GR
MODE
Select Dial
- 17 - - 18 -
Setting the Transmitter
Function
(under normal status) Enter CH settings;
(under settings) Confirm and back to normal status
Control the ON/OFF of modeling flash
Enter C.Fn custom settings
Switch the Operation Methods (Method 1/Method 2)
Select the group downwardly
(under PTH status) Set power/times /hz
Select the group upwardly
Set the group's ON/OFF
(under PTH status) Back to normal status
(under normal status)Enter PTH status (P-power,
T-times, and H-hz)
Function
No (3 groups)/Turning(5 groups)
Adjust the channel amount
Adjust the power amount
Adjust the times amount
Adjust the frequency amount
Operation
Short press
Double-click
Long press for 2 seconds
Long press for 5 seconds
Short press
Double-click
Short press
Status
Normal
Set the channel
Set the power
Set the flash times
Set the flash frequency
Multi Mode (C.FN-04-on)
Button
CH/OK
GR
MODE
Select Dial
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