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These are random facts that need to find another place on the wiki to live:

Found on the Learn Mode page:

• FAST MODE in a MAX Receiver or MultiMAX (set for RECEIVE) offers no benefit when triggered by a ControlTL transmitter. Turn FAST MODE off for best performance. If left on, it will negatively affect HyperSync timing. • HyperSync requires a MiniTT1 or FlexTT5 as a transmitter. A Standard transmitter cannot trigger a FlexTT5 and achieve HyperSync.

Differences from Canon MiniTT1/FlexTT5 Firmware Version 5.200

For customers in a mixed Canon / Nikon ControlTL environment, these are the main differences between using Nikon ControlTL radios in comparison to the Canon units.

  • Rear Curtain Sync is enabled and disabled on the camera body in the Nikon system, and is controlled by the camera. Canon ControlTL’s Rear Curtain Sync in comparison is set via the PocketWizard Utility.
  • ControlTL for Nikon does not have Force TTL Master Mode. Instead, when using an on-camera SB-800 or SB-900, the Master setting of the on-camera flash determines if remote flashes will fire. When either of these flashes are in non-master mode, only the on camera flash will fire. When the on-camera flash is set to Master mode, the remote flashes will fire according to the zone configurations set on the back of the Master on-camera flash.
  • HyperSync offsets have been specifically optimized for each compatible camera, and should provide a better out-of-the-box HyperSync experience. The HyperSync offset in the PocketWizard Utility now has a default setting of “0”, with the full range of timing adjustments being -2000us, and +200us. This allows for adjustment in both directions if current optimizations do not perfectly match the characteristics of your specific camera’s shutter.
  • Pre-Flash Boost is controlled locally at the flash via its Flash Exposure Compensation controls, instead of via the PocketWizard Utility settings in the Canon system.
  • The wake/sleep operation of Nikon cameras is significantly different from the Canon system, and as such affects the Nikon MiniTT1’s battery life. A CR2450 coin cell in the Nikon MiniTT1 should yield about 30-50 hours of camera-awake time.

Using an AC3 Zone Controller

An AC3 ZoneController on your transmitting ControlTL® radio allows you to adjust the remote flash output power for up to 3 zones independently, in either Manual or Automatic modes. Set the Zone Switch on your remote FlexTT5® equipped with an AC9 to Zone A, B, or C as desired.

Manual Mode

With an AC3 Zone Switch set to M (Manual), the AC3 Power Dial for that zone sets the absolute flash power output as shown in the table for Basic Power Control. Your camera’s FEC/EC, ISO, and aperture controls will not affect the flash output power levels for AC3 zones set to M.

Automatic Mode

With an AC3 Zone Switch set to A (Automatic), Automatic PowerTracking using Center on ISO & Aperture with First Shot is engaged. See the Automatic PowerTracking section for more information. The AC3 Power Dial for a zone sets the flash power output level for that zone relative to the ControlTL center point. Your camera’s FEC control can be used to adjust flash output power level for all zones set to A (Auto).


an AC3 Zone Switch set to Ø (Off), flashes in that zone will not trigger.