LG GD310 Service Manual page 140

11.2.10. 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->GSM850->DCS->PCS->EDGE EGSM->EDGE GSM850
->EDGE DCS->EDGE PCS
RX Channel compensation: EGSM->GSM850->DCS->PCS
4. Phone Operation Mode
< Normal Mode >
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Saving format:
Year/month/day _ pass or fail
< ptest Mode>
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11. RF Calibration
LGE Internal Use Only