User Manual
Table Of Contents
- Foreword
- Table of Contents
- Computer Software Copyrights
- Portable Radio Model Numbering System
- SPECIFICATIONS FOR 800MHz RADIOS
- GLOSSARY
- Section 1: Introduction
- Section 2: Basic Maintenance
- Section 3: Recommended Test Equipment and Service Aids
- Section 4: Performance Checks
- Section 5: Radio Alignment Procedures
- Section 6: Basic Removal/Installation Procedures
- Section 7: Basic Theory of Operation
- Section 8: Radio-Level Troubleshooting
- Replacement Parts Ordering
14
Figure 2 RSS Service Menu Layout
All SERVICE screen s read an d program th e radio codeplug directly; you do
NOT h ave to use th e RSS GET/SAVE fun ction s to use th e SERVICE m en us.
Th e SERVICE screen s in troduce th e con cept of th e “softpot,” an an alog
SOFTware-con trolled POTen tiom eter used for adjustin g all tran sceiver
align m en t con trols.
Each SERVICE screen provides th e capability to in crease or decrease th e
‘softpot’ value with th e keyboard UP/DOWN arrow keys respectively. A
graph ical scale is displayed in dicatin g th e m in im um , m axim um , an d
proposed value of th e softpot, as sh own in Figure 3.
Figure 3 Softpot Concept
REFERENCE OSCILLATOR ALIGNMENT
TRANSMIT POWER ALIGNMENT
TRANSMITTER ALIGNMENT MENU
TRANSMIT DEVIATION BALANCE
(COMPENSATION) ALIGNMENT
TRANSMIT DEVIATION LIMIT ALIGNMENT
F2 -
F2 -
F3 -
F4 -
F5 -
RECEIVER ALIGNMENT MENU
F3 -
FRONT END BANDPASS FILTER ALIGNMENTF2 -
SERVICE
HELPF1 -
EXIT, RETURN TO SERVICE MENUF10 -
B
A
B
C
D
E
C
B
J
Do NOT switch radios in the middle of any SERVICE
procedure. Always use the EXIT key to return to the
M AIN menu screen before disconnecting the radio.
Improper exits from the SERVICE screens m ay leave
the radio in an im properly configured state and
result in seriously degraded radio or system
performance.
!
C a u t i o n
Min.
Value
Max.
Value
0
15