LG -510W Service Manual page 38

13. ENGINEERING MODE
13.2 RF Test [MENU 2]
Radio Frequency Test
A. SAR Test [2-1]
This menu is to test the Specific Absorption Rate.
• SAR Test On [2-1-1] : Phone continuously process TX only. Call-setup equipment is not
• SAR Test Off [2-1-2] : TX process off
13.3 MF Mode [MENU 3]
This manufacturing mode is designed to do the baseband test automatically. Selecting this menu
will process the test automatically, and phone displays the previous menu after completing the
test.
A. All auto test [3-1]
LCD, LED, Backlight, Vibrator, Buzzer, and Key Pad are tested in order for a certain time.
B. LED [3-2]
A green LED is on for about 1 second, then off. And red LED is on for about 1 second, then off.
C. Backlight [3-3]
LCD Backlight and LED Backlight are on for about 1.5 seconds at the same time, then off.
D. Buzzer [3-4]
This menu is to test the volume of Buzzer. It rings in the following sequence.
Volume1 ➝ Volmue2 ➝ Volume3 ➝Volume0 (mute) ➝ Volume4 ➝ Volume5
E. Vibrator [3-5]
Vibrator is on for about 1.5 seconds.
F. LCD [3-6]
LCD screen resolution tests horizontally and vertically one by one and fills the screen.
G. Key pad [3-7]
When a pop-up message shows 'Press Any Key', you may press any keys including side keys, but
not [Soft2 Key]. If the key is working properly, name of the key is displayed on the screen. Test will
be completed in 15 minutes automatically and the screen displays the previous one.
required.
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