Specifications

AC3 ZoneController with Remote Speedlights
1. Slide the AC3 onto your on-camera MiniTT1 or FlexTT5. Power on the transmitter, then the camera.
2. Set up remote Speedlights on FlexTT5 radios normally. Power on the ash, then the FlexTT5.
a. Set all Speedlights on remote FlexTT5 radios to
normal CLS / i-TTL Mode. Do not use Manual or
MASTER / SLAVE on your remote Speedlights.
The AC3 will use CLS / i-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 Speedlight.
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: