Pioneer DEH-S4250BT Operation Manual page 6

• Always store the detached front panel in a protective case or bag.
Resetting the microprocessor
The microprocessor must be reset in the following situations:
– Before using this unit for the first time after installation
– If the unit fails to operate properly
– When strange or incorrect messages appear on the display
1
Remove the front panel (page 5).
2
Press the RESET button with a pointed instrument longer than 8 mm.
Preparing the remote control
Remove the insulation sheet before use.
WARNING
• Do not ingest the battery, Chemical Burn Hazard.
(The remote control supplied with) This product contains a coin/button cell battery. If the coin/
button cell battery is swallowed, it can cause severe internal burns in just 2 hours and can lead to
RESET button
How to replace the battery
Insert the CR2025 (3 V) battery with the plus (+) and
minus (–) poles orientated properly.
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