TM 1–1520–238–T–3
Change 5
24–1
CHAPTER 24
COPILOT/GUNNER (CPG) CAUTION WARNING PANEL
MULTIPLEX READ CODES
FAILURE SYMPTOM INDEX
Symptom
Refer to paragraph
ADS INDICATOR REMAINS LIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24–1
MISSILE INDICATOR REMAINS LIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24–2
TADS INDICATOR REMAINS LIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24–3
GUN INDICATOR REMAINS LIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24–4
ROCKET INDICATOR REMAINS LIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24–5
Personnel Required:
(2)
References:
TM 1–1520–238–T–6
TM 55–1520–238–23
Equipment Conditions:
Ref
Condition
TM 1–1520–238–T–6
Applicable
MAINTENANCE
OPERATIONAL CHECK in
progress
NOTE
All multiplex read code responses are read from right to
left.
Multiplex read codes must be used in conjunction with
applicable Maintenance Operational Check (MOC) in
progress.
Multiplex read codes are observed on the HOD (ADC) or
CDU (ADD).
MULTIPLEX READ CODE INTERPRETATIONS
24–1 SIGNAL NAME:
CPG ADS INDICATOR (ACY) CPG ADS LIGHT (ACZ)
MEMORY LOCATION: 000565
MEMORY DATA BIT(S):
14
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Monitors air data system (ADS).
REMARKS: From fire control computer (FCC) through copilot/gunner (CPG) multiplex remote
terminal unit (MRTU) Type III to CPG caution/warning panel.
PASS:
If second digit displayed on heads out display (HOD) is 4, 5, 6, or 7, go to Chapter 2,
paragraph 2–3.
FAIL: Location of fault: go to paragraph 24–6.
