DP730 Gestures – Facedown Hangup
Close-to-Ear Backlight
DP730 Gestures – Close-to-Ear Backlight
Factory Functions
The factory functions include the following diagnostic options:
Keypad Diagnostic (on DP730) / Diagnostic Mode (on DP722)
Audio loopback
LCD on / off
LCD diagnostic
System Monitoring
Vibration (DP730 only)
Acceleration Sensor (DP730 only)
Proximity sensor (DP730 only)
1. Press Menu (left softkey or the selection key) to bring up the operation menu.
2.
Use arrow keys to reach Settings .
3. Navigate to select Factory Functions and choose which diagnostic, you need to perform:
1. Diagnostic Mode / Keypad Diagnostic
All LEDs will light up. All keys’ names will be displayed in red on the LCD screen before diagnosis. Press any key on
the keypad to diagnose the key’s function. When done, the key’s name will display in blue on the LCD with a prompt
message (PASS). To exit press “Back” (right softkey).
Note: Long arrow UP key at any time to exit diagnostic mode.
2. Audio loopback: Speak to the phone using speaker/handsets/headset. If you can hear your voice, your audio is
working fine. Press “Back” (left softkey) to exit audio loopback mode.
3. LCD On/Off: Select this option to turn off the LCD. Press any button to turn on the LCD.
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