Motorola Gm1200e 68p64115b12 Manual

GM1200E Tuning Procedure
Radio Tuning Procedure4-5
4.Select the first test frequency shown, and set the corresponding value to the start value shown 
in table 4-4.
5.Set the RF test generator to the receive test frequency, and set the RF level to 10mV modulated 
with a 1 kHz tone at the normal test deviation shown in table 4-3.
6.Measure the RSSI voltage at accessory connector pin 15 with a dc voltmeter capable of 1 mV 
resolution.
7.Change the softpot value by the stepsize shown in table 4-4 and note the...

GM1200E Tuning Procedure
4-6Radio Tuning Procedure
1.8Squelch
The squelch softpots set the signal to noise ratio at which the squelch opens. The squelch value 
needs to be set at 7 frequencies across the frequency range.
1.Set the test box (GTF180) meter selection switch to the Audio PA position and connect a 
SINAD meter to the METER port.
2.From the Service menu, select Receiver Alignment.
3.Select Squelch Attenuation to open the squelch attenuation tuning window. The window will 
indicate the receive...

GM1200E Tuning Procedure
Radio Tuning Procedure4-7
7.Change the input tone to 3 kHz, 200 mVrms.
8.Adjust the deviation to within ±2% of the value recorded in step 6.
9.Check the deviation at 80 Hz again and repeat step 7-8, if it has changed since step 6.
10.Click the Toggle PTT to dekey the radio.
11.Repeat steps 3 - 10 for the remaining test frequencies.
12.Click the Program button to store the softpot values.
Note:The step size change for step 8 is approximately 2.5% softpot value.
1.11Transmit...

GM1200E Tuning Procedure
4-8Radio Tuning Procedure
1.Set test box (GTF180) meter selection switch to the “AUDIO PA” position and the speaker load 
switch to the MAXAR position.
2.From the Service menu, select Receiver Alignment.
3.Select RSSI to open the RSSI tuning window. The screen will indicate the receive test 
frequency to be used. 
The softpot values are displayed for information only and cannot be edited.
4.Set the RF test generator to the receive test frequency, and set the RF level to the value...

PL (CTCSS) CodesA-i
Appendix A
Table of Contents
Table of Contents
PL/DPL Codes
ParagraphPage
1.0PL Codes and Digital PL (DPL) Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
1.1PL Codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
1.2Digital PL (DPL) Codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 

Table of Contents
A-iiPL (CTCSS) Codes 

PL Codes and Digital PL (DPL) Codes
PL (CTCSS) CodesA-1
1.0PL Codes and Digital PL (DPL) Codes
The following have been tested and are acceptable for programming into any transmit or receive 
frequency.
1.1PL Codes
1.2Digital PL (DPL) Codes:
GROUP AGROUP BGROUP C
CodeFreqCodeFreqCodeFreq
XZ
XB
YB
1Z
1B
2A
3Z
3B
4A
5Z
6A
7Z
M1
M367.0
77.0
88.5
100.0
107.2
114.8
123.0
131.8
141.3
151.4
173.8
186.2
203.5
218.1XA
YZ
ZA
1A
2Z
2B
3A
4Z
4B
5A
6Z
6B
7A
M271.9
82.5
94.8
103.5
110.0
118.8
127.3
136.5
146.2
156.7...

PL Codes and Digital PL (DPL) Codes
A-2PL (CTCSS) Codes 

NPD Application NotesB-i
Appendix B
NPD Application Notes
Table of Contents
Table of Contents
ParagraphPage
1.0Non Prescribed Data (NPD) Calls............................................................. 1
2.0Calls with DTE connected to External Data Connector
(Radio Accessory Connector).................................................................. 1
2.1DTE Initiated Call (Outgoing Calls).............................................................. 1
2.2Calls Initiated by another Radio Unit...

Table of Contents
B-iiNPD Application Notes