Photogenic Professional Lighting StudioMaxIII rev 5 - Manual (Page 8)


Radio-sync Channel Set:
NOTE: It is necessary to use a Photogenic RTT Radio Transmitter to
trigger the StudioMax III radio monolight. The transmitter is available
from your Photogenic dealer.
1. Prepare the light for operation and disable the photoslave.
2. Plug the light into an AC outlet or battery pack if the StudioMax III
monolight is battery operated.
3. Push the power switch to the FLASH position.
4. Press and hold the radio-sync channel set button on the front of the
StudioMax III monolight (see illustration, page 5). Point the RTT
transmitter at the light and press the TEST button on the transmitter
until the light flashes twice. Release the radio channel set button.
The light will flash every time the TEST button is pressed.
5. Mount the RTT transmitter on the hot shoe of your camera. The
light will flash every time the shutter is released. If your camera
does not have a hot shoe, use the miniplug-to-PC adapter cord
provided with the transmitter, and insert the miniplug end into the
side of the transmitter and insert the PC connector into the camera.
6. When you want to trigger multiple lights, program each light sepa-
rately to the same radio channel.
7. The RTT transmitter can be programmed to four different radio
channels. To program the light to a different radio channel, change
the position of the DIP switches on the bottom of the transmitter
and reprogram each light.
Photocell/Slave:
The built-in photoslave is operational when the unit is ON. If you
wish to disable the photoslave, plug in the sync cord or other miniplug.
AKC160B, AKC160BR, AKC320B and AKC320BR:
A battery pack power source (AKB-1) is available to power “B” model
StudioMax III lights. The AKB-1 uses a spill-proof 12-volt battery to
generate the 300 volts required to power the AKC160B and BR for
over 200 flashes and the AKC320B and BR for over 150 flashes,
at FULL power.
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* When using the Studiomax lll outside, direct sunlight may prevent the photoslave from
turning off, thus preventing the sync jack from working properly. In the event that this
happens, you may need to cover the sensor (labeled “slave”) on the back of the unit with
a piece of electrical tape (or an equivalent light blocking material).