216-246MHz Tuning Procedure
Radio Tuning Procedure 6.2-1
1.0 216-246MHz Tuning Procedure
1.1 General
The recommended hardware platform is a 386 or 486 DX 33 PC (personal computer) with 8 MBytes
RAM, MS-DOS™ 5.0, Windows™3.1, and RSS (Radio Service Software). These are required to
align the radio. Refer to your RSS Installation Manual for installation and setup procedures for the
required software; the user manual is accessed (and can be printed if required) via the RSS.
To perform the alignment procedures, the radio must be connected to the PC, RIB (Radio Interface
Box), and Universal Test Set as shown in figure 6.2-1.
Figure 6.2-1
Radio Alignment Test Setup.
All tuning procedures are performed from the Service menu.
Before going into the Service menu, the radio must first be read using the File / Read Radio menu (if
the radio has just been programmed with data loaded from disk or from a newly created codeplug,
then it must still be read so that the RSS will have the radio’s actual tuning values).
All Service windows read and program the radio codeplug directly; you do NOT have to use the RSS
Read Radio / Write Radio functions to program new tuning values.
.
BNC
RIB
RLN-4008B
RIB POWER SUPPLY
EPN4041A (230 VAC. Euro)/
EPN4040A (230 VAC. UK)
COMPUTER INTERFACE CABLE
30-80369B72 (IBM "AT" 9PIN ONLY)
30-80369B71 (IBM "XT" 25PIN ONLY)
DATA
GND
COMPUTER
AUDIO GENERATOR
SINAD METER
AC VOLTMETER
TX
RX
30 dB PAD
30 dB PAD
RF GENERATOR
SERVICE MONITOR
OR COUNTER
WATTMETER
TRANSMIT
RECEIVE
TEST SET
RTX-4005B/
GTF180B
RADIO
PROGRAM/
TEST CABLE
GTF-374A
AUDIO IN
TEST CABLE
GTF-376A
15PIN25PIN
Note: Battery can be used in RIB
making power supply optional
MIC IN
http://www.myradio168.net
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