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The Status LED indicates that the unit is powered on, and displays battery level and other special status modes.
Under normal operation the LED will display a short green blink every 2 seconds. This is the normal “powered on and waiting for trigger” blink.
!The color of the LED indicates battery level:
- Green = Good battery
- Amber = Warning – battery low
- Red = Very low battery – change immediately
FlexTT5 "Good Battery" BlinkFile:Example.jpg
See the Batteries section for more information.
A pulsing red LED in sync with TEST or a camera trigger indicates normal transmission.
If TEST is held for 10 seconds, LEARN mode will be activated. See Learn Mode for information. A short red blink in sync with the camera’s trigger indicates normal transmission or reception.
Learning LED sequence: Holding TEST for 10 seconds will cause the unit to pulse red (continuously transmitting), then it will flash amber 4 times (indicating the beginning of Learn mode), then it will pulse amber while listening for a channel to learn. If it learns a channel, it will blink green 1, 2, or 3 times depending on the channel learned, then flash amber 1 more time to indicate LEARN is complete. If no channels are learned, the radio returns to normal “waiting for trigger” blinking. See LEARN Mode for more information.
Repeated red blinking indicates an error condition. Power off the unit, reseat all connections, and power back on. If the error persists, verify your settings. For example if you are using a Standard channel to trigger a FlexTT5 with a Speedlite in it set to E-TTL, this is an error. The flash needs to be set to manual (See Manual Mode for more information).
Note that a single red blink when triggering is normal operation.
If TEST is held on power up then RESET A and RESET B can be performed. Two green blinks in a row indicate that RESET A was completed. Four green blinks in a row appear when RESET B has been completed. RESET A resets channels learned in the field back to those programmed via the PocketWizard Utility. RESET B sets the radio to factory default settings.