Black Box Agility Zero-U ACR500DP-T, User Manual, Page: 17 / 59

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5.2 RESETTING
The recessed reset button provides a way to take control of the Agility Zero U Transmitter if normal operation is affected. You will
need a thin implement, such as a straightened out paper clip to press and hold the button. Depending on when you release the
button, one of three functions will occur:
REQUIRED FUNCTION RELEASE TIME INDICATORS
Š
Š
To reboot to the primary firmware version less than 10s red
Š
Š
To boot to the backup firmware version* 10 to 14s green / red flash
Š
Š
To restore factory settings and reboot more than 15s blue
* The backup firmware version has no video or USB functionality. Once invoked, you will need to load an upgrade file to restore
normal operation - see page 14.
TO RESET THE AGILITY ZERO U TRANSMITTER
1 Power on the Agility Zero U Transmitter.
2 Use a narrow implement (e.g. a straightened-out paper clip) to press-and-hold the recessed reset button. The status
indicators will immediately turn red :
3 Release the reset switch at the appropriate time (see the table above).
Use a straightened-out paper
clip to press the reset button
for roughly 10 seconds
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NOTE: If you are performing a factory reset and intend to disconnect the power immediately after the reset, you must wait at
least 30 seconds after you have released the reset button for it to complete the process.