C.Fn: Setting Custom Functions
The following table lists the available and unavailable custom
functions of this flash.
m/ft
APO
AF
Sv APOT
BEEP
LIGHT
LCD
ZOOM
m
ft
ON
OFF
ON
OFF
60min
30min
ON
OFF
12sec
OFF
ON
0~9
A
PS
135
Distance indicator
Auto power off
AF-assist beam
Slave auto power
off timer
Beeper
Backlighting time
LCD contrast ratio
ZOOM display
format
C
.
Fn
Custom
Functions
Custom Function
Signs
Function
Setting No
.
Settings & Description
m
feet
ON
OFF
ON
OFF
60min
30min
ON
OFF
Off in 12 sec.
Always off
Always lighting
10 levels
APS system
135 system
1
.
Press
<
Zm
/
C
.
Fn
>
Backlight
/
Custom
Setting Button
for
2
seconds
or
longer
until
C
.
Fn
menu
is
displayed
.
The
“
Ver
x
.
x”
in
the
top
-
right
corner
refers
to
the
software
version
.
2
.
Select
the
Custom
Function
No
.
●
Turn the Select Dial to
select
the
Custom
Function
.
3
.
Change
the
Setting
.
●
Press
<
SET
>
button
and
the
Setting
No
.
blinks
.
●
Turn
the
Select
Dial
to
set
the
desired
number
.
Pressing
<
SET
>
button
will
confirm
the
settings
.
●
After you set the Custom Function and press <MODE> button,
the camera will be ready to shoot.
4. In the C.Fn states, long press the “Clear” button for 2 seconds
until “OK”is displayed on the panel, which means the values in
C.Fn can be reset.
Protection Function
1. Over-Temperature Protection
●
To avoid overheating and deteriorating the flash head, do not fire
more than 30 continuous flashes in fast succession at 1/1 full
power. After 30 continuous flashes, allow a rest time of at least 10
minutes.
●
If you fire more than 30 continuous flashes and then fire more
flashes in short intervals, the inner over-temperature protection
function may be activated and make the recycling time over 10
seconds. If this occurs, allow a rest time of about 10 minutes, and
the flash unit will then return to normal.
●
When the over-temperature protection is started, is shown on
the LCD display.
Number of flashes that will activate over-temperature protection:
Meaning
A failure occurs on the recycling system so that the
flash cannot fire.
Please restart the flash unit. If the problem still exists,
please send this product to a maintenance center.
The system gets excessive heat. Please allow a rest
time of 10 minutes.
The voltage on two outlets of the flash tube is too high.
Please send this product to a maintenance center.
There are some errors occurred during the upgrading
process. Please using the correct firmware upgrade
method.
Prompts on LCD Panel
E1
E2
E3
E9
2. Other Protections
The system provides real-time protection to secure the device and
your safety. The following lists prompts for your reference:
Number of flashes that will activate over-temperature protection in
high-speed sync triggering mode:
Power Output Level
1/1
1/2 +0.7
1/2 +0.3
1/2
1/4(+0.3,+0.7)
1/8(+0.3,+0.7)
1/16(+0.3,+0.7)
1/32(+0.3,+0.7)
1/64(+0.3,+0.7)
1/128(+0.3,+0.7)
Number of Flashes
30
40
50
60
100
200
300
500
1000
Power Output
1/1
1/2(+0.3,+0.7);
1/4(+0.3,+0.7)
1/8(+0.3,+0.7);
1/16(+0.3,+0.7)
1/32(+0.3,+0.7);
1/64(+0.3,+0.7);
1/128(+0.3,+0.7);
Times
15
20
30
40
50
Firmware Upgrade
This flash supports firmware upgrade through the USB port. Update
information will be released on our official website.
USB connection line is not included in this product. The USB
port is a standard Micro USB socket. Common USB
connection line is applicable.
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Summary of Contents for TT685
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