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Automatic flash exposure (TTL) indicator
The automatic flash exposure (TTL) indicator [26] is lit every time the flash output is set
automatically by the camera. This will only happen when the B1 is operated together with
any of the optional Air Remote TTL-C/N in TTL mode. The indicator is lit for a few seconds
after receiving a TTL flash command from the remote.
Temperature limit indicator
The temperature limit indicator [25] is lit if the B1 has reached a temperature level that has
activated the built-in over-temperature protection. When this occurs the performance is
limited until the temperature level is back to an acceptable level.
16
Check Firmware
1. Switch off the B1 unit.
2. Press and hold the ENERGY/SETTINGS dial [16] and then press and hold the TEST button
[15] until the B1 switches on.
3. The current firmware version is shown on the Display [13] (for example: A7).
Upgrade Firmware
We recommend that you regularly look for firmware upgrades on Profoto.com.
Upgrade of firmware is made via the USB port [10], following the instructions provided
on Profoto.com. You can always contact your local dealer or distributor for professional
service.
www.profoto.com
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