Panasonic EB-X300 Service Manual page 72

(2) RX Freq Compensation
Set tester as (a) Test Function : CW (b) RF Gen Power: -60dBm (c) MS TX Level : 5.
1. Select Band : GSM.
2. Select ARFCN.
3. Set test set for ARFCN.
4. Click [SEND].
5. Copy RSSI value to corresponding box.
6. Repeat (2) to (5) for other GSM+DCS bands Select "PCS".
8. Repeat (2) and (5).
9. Click [WRITE] (response: NVRAM WRITE OK 3 times).
10. Cycle power on handset.
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