92-220 G489-1 Scanner Installation
A. Description
A multi-band scanner may be installed in place of the AM/FM receiver and is selectable
from any of the three main audio control panels.
B. Schematic
Refer to Figure 92-11 for G489 scanner installation wiring diagram.
C. Removal
1. Refer to Figure 92-1. Turn battery & news equipment switches off and pull out
SCANNER (2 amp) circuit breaker at panel.
2. Remove screws securing G472 face to G471 panels.
3. Disconnect G459 harness assembly from scanner.
4. Supporting BCD996XT scanner, remove hardware securing D344-19 angle
assemblies to face and scanner. Remove angles and scanner.
D. Installation
1. Refer to Figure 92-1. Turn battery & news equipment switches off and pull out
SCANNER (2 amp) circuit breaker at panel.
2. Supporting BCD996XT scanner, install hardware securing D344-19 angle assemblies
to face and scanner. Verify security.
3. Connect G459 harness assembly to scanner. Verify security.
4. Install screws securing G472 face to G471 panels.
5. Push in SCANNER (2 amp) circuit breaker at panel. Turn battery & news equipment
switches on.
6. Perform appropriate functional checks per Uniden Scanners User’s Guide. Turn
battery & new equipment switches off.
E. Scheduled Inspections
Every 100-hour or annual inspection, inspect BCD996XT scanner for proper installation
(refer to R66 Illustrated Parts Catalog Chapter 92) & proper operation per Part D steps
5 and 6.
F. Special Inspections
1. Refer to Figure 92-1. Turn battery & news equipment switches off. Open circuit
breaker panel.
2. As required, remove BCD996XT scanner per Part A. Inspect condition of and verify
no obvious damage to scanner, circuit breaker, and wiring. Verify no loose, chafed,
or broken wires or terminals. Verify no evidence of arcing. Verify equipment security.
3. Secure circuit breaker panel. Install scanner per Part A if removed.
Page 92.38 Chapter 92 ENG Version JUL 2020
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