Vertex Standard HX850S, Alignment Manual

Page: 5 / 6

FCC ID: K6630313X3D0
IC ID: 511B-30313X3D0
Alignment
5/6
Vertex Standard Co., Ltd.
Adjustment of the Maximum Deviation
ˆ
Connect the linear detector to the antenna jack and connect the AF signal generator to
the microphone jack.
ˆ
Set the AF signal output level to 200mVrms at 1kHz
ˆ
Press the [ SCAN/DW ] key till “ 06:Devi ” is displayed.
ˆ
Press [
▲
] or [
▼
] keys while pressing the [ PTT ] key to set the deviation to 4.2 ± 0.1kHz.
ˆ
Press [ CALL/ENT ] key to fix the alignment data.
Adjustment of the Squelch Threshold
ˆ
Connect the RF signal generator to the antenna jack.
ˆ
Set the output frequency at 156.8000MHz with standard modulation (±3.0kHz deviation,
1kHz modulation).
ˆ
Set the output level to -9dBµ.
ˆ
Press the [ SCAN/DW ] key till “ 07:THRESH ” is displayed.
ˆ
Press [ WX ] key to obtain the squelch threshold level.
ˆ
Press [ CALL/ENT ] key to fix the alignment data.
Adjustment of the Squelch Tight
ˆ
Connect the RF signal generator to the antenna jack.
ˆ
Set the output frequency at 156.8000MHz with standard modulation (±3.0kHz deviation,
1kHz modulation).
ˆ
Set the output level to +3dBµ.
ˆ
Press the [ SCAN/DW ] key till “ 08:TIGHT ” is displayed.
ˆ
Press [ WX ] key to obtain the squelch tight level.
ˆ
Press [ CALL/ENT ] key to fix the alignment data.
Adjustment of DSC Squelch threshold
ˆ
Connect the RF signal generator to the antenna jack.
ˆ
Set the output frequency at 156.5250MHz with standard modulation (±3.0kHz deviation,
1kHz modulation).
ˆ
Set the output level to -4dBµ.
ˆ
Press the [ SCAN/DW ] key till “ 09:CH70 SQL ” is displayed.
ˆ
Press [ WX ] key to obtain the DSC squelch threshold level.
ˆ
Press [ CALL/ENT ] key to fix the alignment data.
Adjustment of DC VOLT
ˆ
Set the DC power supply to 7.4VDC.
ˆ
Press the [ SCAN/DW ] key till “ 10:VOLT ” is displayed.
ˆ
Press [ WX ] key to obtain the DC voltage.