LG C2500 Service Manual - Page 18

3. OPERATING INSTRUCTIONS Display IMEI Reset to default language Set language to Russian Set language to English G. Ring tone[7] This menu is to test the Ring tone. H. LED[8] This menu is to test the LED. • Main LCM BL on: Main LCM BL is on. • Main LCM BL off: Main LCM BL is off. • Keypad LED on: Keypad LED is on. • Keypad LED off: Keypad LED is off. I. LCD[9] This menu is to test primary colors of LCD Module. J. LCD contrast[10] This menu is to set the LCD contrast. • Main LCD [10-1]: Change this value by up and down key. K. Receiver[11] This menu is to test the Receiver. L. Charger[12] This displays all the ADC values. • VBAT: Main Battery Voltage. • BTemp: Battery Temperature. • VAUX: Headset hook detection voltage. • Current: Charging current. • VChgr: Charging voltage. M. Headset[13] This menu is to test the analog loop back path from headset MIC to headset Receiver. N. RTC[14] This menu is to test the real time clock. Set a 3-second alarm and Switch off the MS. After the alarm expires, the MS will power on automatically. O. Nand Flash[17] This menu is to test the Nand flash. P. CAMERA[18] This menu is the test Camera module by picture preview and parameter setting. By *#06# *#0000#[SEND] *#0007#[SEND] *#0044#[SEND] - 17 -