Panasonic SA-AKX32LM-K, Service Manual

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6.6. Sales Demonstration Lock Function
6.6.1. Entering into sales Demo Mode
Here is the procedures to enter into Sales Demonstration Lock.
Step 1: Turn on the unit.
Step 2: Select to any mode function, press and hold [
OPEN/CLOSE
] key and follow by [ / ] key pressed within 0.5 sec.
Step 3: Hold both [
OPEN/CLOSE
] and [ / ] keys for 5 sec.
Step 4: The display will show upon entering into this mode.
Note: [
OPEN/CLOSE
] button is invalid and the main unit displays “LOCKED” while the lock function mode is entered.
6.6.2. Cancellation
Step 1: To cancel only can be triggered in CD Mode and Volume 19.
Step 2: Press and hold [
OPEN/CLOSE
] key and follow by [ / ] key pressed within 0.5 sec.
Step 3: Hold both [
OPEN/CLOSE
] and [ / ] keys for 5 sec.
Step 4: The display will show after exit from this mode.