Japan Radio Co. JSS-2150, Руководство по обслуживанию, Страница: 79 / 160

SETUP AND ADJUSTMENT
2-19
2.2.5.7 DSC/NBDP AF measurement
Outputs the DSC/NBDP AF signal to the controller's audio output port such as the external speaker
plug and handset terminal (Phone: Between 1 - 2).
z
TX type
Select the signal from DSC/NBDP 1615Hz,
DSC/NBDP 1785Hz, or DSC/NBDP Dot.
z
TX level
Set the signal output level.
z
Output
Start or stop output of the signal selected
for TX type.
Note: During output, the display changes to
[Stop]. Pressing ENT again here ends
output.
2.2.5.8 Calibration for meters and radio frequency
Calibrate the meters on the TX power adjustment screen, and/or the frequency of TCXO.
CAUTION
Use F2.3.3 Calibration menu only when having a margin of error obviously.
z Ic meter
Adjust the value displayed for the PA
current meter within a range of -99 to +99.
* When entering a value with the numeric
keypad, the + of ± can be entered with 1,
and the - with 2 (same below).
z
Vc meter
Adjust the value displayed for the PA
voltage meter within a range of -99 to +99.
z Ia meter
Adjust the value displayed for the antenna
current meter within a range of -99 to +99.
z
Frequency
Adjust the 20 MHz TCXO of the CMN-2250
TRX unit within a range of -60 to +60 Hz.
Note: This calibration is based on 20 MHz.
In case of +01.0 Hz and when the
nominal frequency is 10000.0 kHz,
the calibration results in +0.5 Hz.