Aiwa XS-DV335 Service Manual page 44

2-3-5. PLAY (ALL SERVO ON)
The test mode begins and detects the disc by pressing the "PLAY" button on the main unit or "7" button on the remote control
in Stop mode.
During the test mode activation, neither sound nor pictures appear.
To stop the operation, press the "STOP" button on the main unit or "6" button on the remote control.
2-3-6. STOP (AAL SERCO OFF)
The "STOP" button on the main unit or "6" button on the remote control returns to the Stop mode.
3. TEST DISPLAY MODE
3-1. Starting TEST DISPLAY MODE
When the disc stops in normal mode, press the remote control buttons in the following order within two seconds:
"RETURN" → "ZOOM" → "RETURN" → "C".
When TEST DISPLAY MODE is activated, the FL display appears "H***_*_*" for four seconds.
3-2. Exiting TEST DISPLAY MODE
Disconnect the AC plug.
The following are alternative ways to exit the mode:
• Switch functions by pressing the function buttons except the DVD/CD button.
• Press the POWER button.
3-3. Functions
In TEST DISPLAY MODE, the NTSC/PAL and Region can be confirmed with the display "H***_*_*" which appears for four seconds.
Example;
"H***_P_2"
This implies PAL and Region 2.
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