Vertex Standard VXR-9000 Service Manual

VXR-9000 UHF Service Manual
Alignment
G-2
RX Sensitivity

Open the “Alignment” window, then click the left
mouse button on the “Rx Tune” tab to move to the “Rx
Tune” screen.

Click the left mouse button on the “Low Band Edge
Frequency” box on the “RX BPF” field (highlighted in
“pink”).

Set the RF Signal Generator output to the “Low Band
Edge” Frequency, at a level of –6 dBμV, ±3.0 kHz de-
viation with a 1 kHz audio tone.

Press the
[
Page Up
]
/
[
Page Down
]
key so that the
SINAD meter reaches maximum deflection.

Repeat above steps at the other four points (box: fre-
quencies).
The Alignment Tool Outline
1. Install the CE60 (Programming Software) to your PC.
2. Execute the CE60 with the “/d” option (Dealer mode:
type “ce60win.exe /d” [ENTER]).
3. You may adjust the following parameters from the
computer.
 RX Sensitivity
 Squelch Sensitivity
 TX Power
 Maximum Deviation <Wide/Narrow>
 Maximum Deviation <Wide/Narrow>
 Sub-Audio (CTCSS/DCS) Deviation <Wide/Nar-
row>
 Modulation Balance
 Repeat Sensitivity
 TX Power Down Detect
 PLL Reference Frequency




Setup the test equipment as shown below.
4-ohm
Dummy Load
SINAD Meter
RF Signal
Generator
Computer
(
CE60
)
VXR-9000
FRB-6
MIC
USB Port
RX ANT EXT SP
FIF-10A
or
FIF-12

Vertex Standard VXR-9000 Specifications

General

Brand	Vertex Standard
Model	VXR-9000
Category	Repeater
Language	English