Vertex Standard VXR-7000 Service Manual page 27

Receiver
PLL VCV (Varactor Control Voltage) Check
 Connect the DC voltmeter between the VCV check
point (on the RX Unit) and chassis ground.
 Select the High band edge channel, and confirm that
the DC voltmeter reading is 0.9 V ~ 1.5 V (Type C) or
1.6 V ~ 2.0 V (Type A).
 Select the Low band edge channel, and confirm that
the DC voltmeter reading is 2.7 V ~ 4.0 V (Type C) or
3.4 V ~ 4.0 V (Type A).
PLL Reference Frequency Adjustment
 Connect the Frequency counter to J3001 on the RX
Unit.
 Select the Center channel, adjust TC3001 (on the RX
Unit), if necessary, so that the frequency counter read-
ing is within ±100 Hz of the programmed Center chan-
nel frequency.
VXR-7000 VHF Service Manual
Receiver parameters (excluding PLL)
 The following receiver parameters can be adjusted from
the computer by utilizing the CE27 Channel/Alignment
Program. Refer to the onboard help of the CE27 Chan-
nel/Alignment Program for details.
RX Parameters
Squelch Threshold Level
Squelch W/N Level
RSSI Threshold Level
RX Tune Level
RX Unit Alignment Points
Alignment
Data
0 (00h) ~ 255 (FFh)
0 (00h) ~ 255 (FFh)
0 (00h) ~ 255 (FFh)
0 (00h) ~ 255 (FFh)
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