JVC KS-F545 Service Manual page 80

How to reset your unit
While holding SEL (select), press
on/attenuator) for more than 2 seconds.
This will reset the built-in microcomputer.
Note:
Your preset adjustments — such as preset channels or sound
adjustments — will also be erased.
How to use the MODE button
If you press MODE, the unit goes into functions mode and the number buttons work as different
function buttons.
MODE
MO
To use these buttons as number buttons again after pressing MODE, wait for 5 seconds without
pressing any number button until the functions mode is cleared.
• Pressing MODE again also clears the functions mode.
2
(standby/
RPT
(Standby/On/Attenuator)
SEL (Select)
Time countdown indicator