Check this to assure OFF condition Peter. I use that feature on in mobile to prevent accidental battery drain. Phil / K4PO
AUTOMATIC POWER OFF (APO)
Automatic Power Off is a background function that
monitors whether any buttons or keys have been
pressed, or whether the Tuning control has been turned.
After 3 hours pass with no operations, APO turns OFF
the power. However, 1 minute before the power turns
OFF, “APO” appears and blinks, and a series of warning
Access Menu 1–9–3 (APO) and select “ON”.
Note: If any settings are changed during the 3 hour period while APO is
ON, the timer resets. When you stop changing the settings, the timer
begins counting again from 0.