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i. Green (100%-50% power)
ii. Yellow (50-25% power)
iii. Red (25-1% power)
e. Close the housing as described in the housing instruction manual. When closing and locking
the housing, make sure that no cables get caught in the way, as this might interfere with a
proper housing seal. Refer to section 2, step h for shallow water testing of the housing seal
prior to the dive.
f. Capturing images by fully depressing the housing shutter release control will flash both
LED's featured at the end of the LED cable inside the housing. The light emitted by the LED's
is transmitted to the slave sensor of the strobes through the fiber optic cables, thus
triggering them to fire in sync with the camera. In case of failure to trigger the strobes to fire
in sync with the camera, please refer to section 4 - "Troubleshooting".
g. Note that there's no need to set the camera flash mode, as the LED Strobe Trigger is
activated whenever an image is captured, even if camera flash mode is set to "Flash Off".
h. During the dive, preventing the strobes from firing can be carried out by either turning the
strobes off or disconnecting the fiber optic cables from the strobes or camera housing.
Disabling the flash through camera menus will have no effect in this case, as the LED Strobe
Trigger is activated whenever an image is captured regardless of the selected camera flash
mode.
i. Turn the LED Strobe Trigger off when not in use by sliding the power switch featured on the
main unit to the "OFF" position.
j. Note that if the LED Strobe Trigger isn't operated for a period of 3 hours, it will
automatically enter standby mode and the indicator light will turn off. The LED Strobe
Trigger can be turned back on by capturing an image with the camera (thus flashing the
LED's) or by sliding the power switch to "OFF" and then back to "ON" again.
k. To prevent the strobe from overheating as a result of being frequently triggered, please
refer to the strobe instruction manual for guidelines and precautions.
4. Troubleshooting
In case of failure to trigger the strobes to fire in sync with the camera using the LED Strobe Trigger,
please make sure that:
a. All components of the LED Strobe Trigger have been properly installed, as described in
section 2 – "FA-2 LED Strobe Trigger Installation".
b. The main unit of the LED Strobe Trigger has been properly charged.
c. The spongy LED trigger ports (if installed) are perfectly aligned with the fiber optic cable
ports and the windows behind the fiber optic cable ports are clean. This can be tested
similarly to as described in section 2, step c, only this time closely observing the LED's from
out of the housing, through the fiber optic cable ports or openings. If properly installed and
the windows behind the ports are clear, you should be able to clearly see the LED's flashing
through the fiber optic cable ports whenever an image is captured with the camera.
d. The fiber optic cables made use of are of high quality and sensitive enough to transmit the
light emitted by the LED's. Note that with some strobes, multi-core fiber optic cables are
required for sufficient light transmission. This can be tested by removing the fiber optic
cable from the strobe slave sensor and instead, placing one of the LED's featured at the end
of the LED cable in front of the slave sensor. If the strobe is now triggered by the LED when
capturing an image with the camera, the fiber optic cable should most likely be replaced
with a more sensitive one.
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FA-2 LED Strobe Trigger Instruction Manual 20170607
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