Panasonic EB-G50 Service Manual

Also see for EB-G50: Operating instructions Operating instructions Operating instructions

– 8–3 –8.2. MMI TestIn EB-G50, the repair technicians can dial *#369# on handset under normal operating condition to checkor adjust the below functions. Please notice the items 4,5,7 are for production and for special purpose,don't change the default value arbitrarily or may cause mobile malfunction.1. Contrast: Up& Down to adjust; Select & Back to exit.2. Baseband test: Up & Down to chose item; Select to enter. Back Light: test if the backlight shows; OK to exit. Buzzer: test if the ring tone gives sound, OK to exit. Vibrator: test if the vibrator works, OK to exit. Keypads: press each key to eliminate the indicators on screen; long press OK to exit. RTC status: show if the RTC OK; OK to exit. Mic. Speaker Test: blow to microphone and listen the sound from receiver; OK to exit.3. Software Version: Check the current software version Software Version Mapping Version LP Version4. Auto-answer: Valid setup when insert test SIM5. DTMF-On: Determine if DTMF function valid during calling.6. LCD Test: Black: click any key to exit. White: click any key to exit. RGB: click any key to exit.7. Comport: AT-DATA: set phone jack for special D/L port, ex: IMEI burning. GENIE Off: set phone jack for normal earphone usage.