LG F7100 User Manual page 211

Before using Calibrate, you must set City setting [Menu 5-4].
For futher details, see page 68 in the User's Manual.
Options Back
How to Calibrate
1. In standby mode, press < ➝ 5 ➝ 1 to enter
Qiblah direction.
2. Press < [Options] and then select
3. You must make sure that your phone place flat on non-
magnetic board.
Do not place magnetic and metal materials around phone
such as electronic appliances (TVs, Computers, Speaker,
Radios and so on).
4. The message, 'Your phone should remain flat for right
direction' is appeared in display screen and then press
< [Calibrate].
5. When 'Calibrating...' message is appeared in display
screen, keep your phone flat and turn it round 3~5 time
slowly.
6. Keep your phone on the flat, and press < [Done].
Calibrate.