Denon AVR-X550BT - Firmware Update Procedure

This is not used during servicing. Do not use.
3-5.1. Operations
Exit the PIMG Version Display Mode.
Remove the power plug to exit this mode.
PMIG :********
This is not used during servicing. Do not use.
3-6.1. Operations
Exit the Mic Mode.
Remove the power plug to exit this mode.
MIC Mode
3-5. PIMG Version Display Mode
3-6. Mic Mode
4.1. Actions
Switches the panel lock mode.
4.2. Starting up
Press "
TUNER PRESET CH -
" and "
QUICK SELECT 3
" simultaneously while on standby.
Panel Lock:On
4.3. Canceling the selected mode
Press "
TUNER PRESET CH -
" and "
QUICK SELECT 4
" simultaneously while on standby.
Panel Lock:Off
4. Front Panel Lock Mode
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
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