LG KC780 Service Manual page 140

2.10. Calibration data will be saved to the following folder.
Notices:
1. The state of Phone is " test mode " during the CALIBRATION.
2. Calibration program automatically changes either " normal mode" or " ptest mode" .
3. RF Calibration steps as follow:
TX Channel compensation: EGSM->DCS->PCS->EDGE EGSM->EDGE DCS->EDGE PCS
RX Channel compensation: EGSM->DCS->PCS
4. Phone Operation Mode
< Normal Mode
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Saving format:
year/month/day_PASS
Saving format:
year/month/day_PASS
>
< Ptest Mode>
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11. RF Calibration
LGE Internal Use Only