Squelch Attenuator (25/30 Khz) Alignment - Motorola MCS 2000 User Manual

Squelch Attenuator
(25/30 kHz)
Alignment
BCF
Programming Procedure
Function Key Description
F8 - PROGRAM VALUE
Field Definition
New Softpot Value
From the MAIN MENU, press F2, F3 and then F6 to access this screen.
MOTOROLA Radio Service Software
MCS Model:
...SQUELCH (25/30kHz)
Current
Frequency Value
--------- -------
136.0625
144.0625
154.0625
160.0625
167.5625
173.9375
177.9375
0
MIN |----+----+----+----+----+----+----+----+----+----+----+----X MAX
F1 F2 F3
HELP
Rx Squelch Alignment is required every time the Controller Board or RF Board
is serviced or replaced. This screen allows you to adjust the squelch level
for each test mode frequency and adjusts the RF level at which squelch
break will occur.
This procedure should be attempted only by qualified
!
service personnel. Failure to perform alignment
procedures properly may result in seriously degraded
Caution
radio or system performance.
This procedure needs to be performed at multiple frequencies to allow
for proper alignment across the entire RF band. The RF band is divided
into frequency zones with a calibration point (value) in each zone.
Refer to your Radio Service Manual for the Squelch Attenuator (25/30
kHz) Alignment procedure.
1. Apply the appropriate RF signal to the radio.
2. Modify the Squelch Attenuator setting using the UP/DOWN arrow
keys.
3. Use the Tab key to move between frequency points.
4. Press F8 to save the new values.
Program the selected value into the radio.
This is the squelch attenuator softpot value for this frequency. The
status bar shows the relationship between this setting and the
minimum and maximum settings.
Use UP/DOWN Arrows To Adjust Softpot.
SQUELCH (25/30kHz)
------------------
New Softpot Value
-----------------
63
63
63
38
38
38
38
F4 F5 F6 F7
63
63
63
38
38
38
38
63
F8 F9 F10
PROGRAM EXIT
VALUE
59