Specifications

AC3 ZoneController with Remote Speedlites
1. Slide the AC3 onto your on-camera MiniTT1 or FlexTT5. Power on the transmitter, then the camera.
2. Set up remote Speedlites on FlexTT5 radios normally. Power on the ash, then the FlexTT5.
a. Set all Speedlites on remote FlexTT5 radios to normal
E-TTL Mode. Do not use Manual or MASTER/SLAVE
on your remote Speedlites. The AC3 will use E-TTL
commands to control manual power levels when the
AC3 zone is set to M.
b. Use the FlexTT5 Zone Switch to assign Zone A, B, or
C to the Speedlite.
3. On the AC3, set the Mode Switches to M or A for the zones in use.
Adjust ash output power with the Power Dials:
+ = Black numbers on a white background increase ash output by the stops shown.
–
= White numbers on a black background decrease ash output by the stops shown.
4. Take pictures normally.
To use your AC3 ZoneController: