Motorola PM1200, Basic Service Manual

Page: 47 / 138

6880309U09-A October 26, 2007
Radio Alignment and Programming Procedures : PM1200 Radio Alignment Software 5-5
5.4.6.1 Squelch Threshold
1. Select band center frequency channel, and the RF signal generator turned to the same
frequency, set the generator for ± 3.0 kHz deviation with 1 kHz tone modulation, and set the
output level for -8 dB
μ
at the antenna jack.
2. Adjust the squelch threshold level by control commands for squelch threshold from the
computer so that it just closes (BUSY LED turns off).
5.5 PM1200 Radio Alignment Software
A personal computer (PC) and Radio Alignment Software are required to align the radio.
5.5.1 Installing the Radio Alignment Software
To install the Radio Alignment Software on your computer:
1. Left-click Alignment Tool.msi twice.
2. Follow the instructions given by the installation Wizard.
5.5.2 Equipment Setup and Radio Alignment Software Execution
1. To perform the alignment procedures, the radio must be connected to the computer and the
test equipment set as shown in Figure 5-2 .
Figure 5-2. Radio RF Test Equipment Setup
2. Turn off the radio.
3. Click the
Start . button.
4. Select Program
→
Motorola
→
PM1200 Tools
→
Radio Alignment Software .
( RX ) ( TX )
MODULATION ANALYZER
8901B
Pad
-30 DB
Modulation
I/P or O/P
RADIO UNDER
TEST
TEST
BOX
COMPUTER
WITH RSS
(Option)
POWER
SUPPLY
(DC)
Pad
-6 DB
To radio communication port
(either thru test box
or
to radio direct
depending on radio).
Audio O/P
Audio I/P
Flash ROM
Adapter
HKLN4376_
* = optional connection
* E
* C
* D
* B
* A
* DD
Mic
I/P
Radio
Alignment
Programming
Cable
HKLN4379_
Spk
O/P
O/P
Audio
O/P
Audio
I/P
I/P
Radio antenna port
Radio side
connector
(Prog. lines,
Mic I/P, Spk O/P)
AUDIO ANALYZER
8903B
(600 Ohm Impedence)
External
Modulation I/P
SIGNAL GENERATOR
8657A