Vertex Standard GX1600, Alignment Manual

Page: 5 / 5

FCC ID: K6630483X3D
IC: 511B-30483X3S
Alignment
5/5
Vertex Standard Co., Ltd.
1kHz modulation).
ˆ
Set the output level to -8dBµ.
ˆ
Press the [ ITEM ] key till “ 04:THRESH ” is displayed.
ˆ
Press [ GET ] key to obtain the squelch threshold level.
ˆ
Press [ SET ] 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 [ ITEM ] key till “ 05:TIGHT ” is displayed.
ˆ
Press [ GET ] key to obtain the squelch tight level.
ˆ
Press [ SET ] 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 [ ITEM ] key till “ 06:CH70 SQL ” is displayed.
ˆ
Press [ GET ] key to obtain the DSC squelch threshold level.
ˆ
Press [ SET ] key to fix the alignment data.
Adjustment of DC VOLT
ˆ
Set the DC power supply to 13.8VDC.
ˆ
Press the [ ITEM ] key till “ 07:DC VOLT ” is displayed.
ˆ
Press [ GET ] key to obtain the DC voltage.
ˆ
Press [ SET ] key to fix the alignment data.
Adjustment of the LCD Contrast
ˆ
Press the [ ITEM ] key till “ 08:CONTR. ” is displayed.
ˆ
Press [
▲
] or [
▼
] keys to set a good view of the LCD contrast.
ˆ
Press [ SET ] key to fix the alignment data.
Closing the Alignment Mode
Press and hold the [ DISTRESS ] key until sounds a beep to memorize all alignment data.
Then press and hold the [ PWR ] key to turn the radio off.