Panasonic EB-GD93, Руководство по обслуживанию

Страница: 51 / 79

TEST AND MEASUREMENT
MCUK001002C8 Section 6 Issue 1
Service Manual – 45 – Revision 0
Figure 6.18: Power level selection 3
13. Enter the value calculated in step 9 into the data field and then press ENTER.
14. Press ESC.
15. Re-measure the peak power.
16. Repeat steps 5 to 14 for the remaining power levels, in the following order:
PL6, PL9, and PL19.
Power levels between PL9 and PL6.
Power levels between PL14 and PL9.
Power levels between PL19 and PL14.
17. Calibrate PL15 (limits ±0.2 dB).
18. After calibrating at channel 62, the carrier power must be measured and calibrated at LOW and HIGH channels as shown
in the table below.
19. Repeat steps 2 to 14 for the GSM 1800 settings in the following order:
PL10 (limits ±0.5 dB).
PL1, PL5, and PL15.
Power levels between PL1 and PL4.
Power levels between PL15 and PL10.
Power level PL0 (limits ±0.2 dB).
20. Save TRIM data.
Channel GSM 900 GSM 1800
Bottom - 512
Low 1 (698)
Mid 62 698
High 124 (698)
Top - 885