Nokia NSB-7 Series Service Manual page 144

NSB-7
Service Software Instructions
The TX Power Tuning dialog will be activated automatically after value selection.
GSM1900 TX Power Tuning dialog:
Dialog mode: modal
To get a clear image, set spectrum analyser as follows:
frequency
span
resolution bw 3 MHz
video bw
sweep time
Tune highest level to 28 dBm
Select power level 11
tune power level to 6 dBm
select lowest power level
tune lowest power level to 0 dBm
press calculate button to calculate other power levels
save power level calibration results by pressing Save button.
TX Power Tuning dialog has following items:
Level, Coefficient and Targets list box (ALT+L):
The power is presented in GSM 1900 values. The base power is selected
Page 38
1880 MHz (depends on the used ch)
0 Hz
3 MHz
10 ms
ãNokia Mobile Phones Ltd.
PAMS Technical Documentation
Issue 1 06/00