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 TM 55-1905-220-14-1
Legend Figure 2-2.
1.
TEST LIGHT - Flashes in the Silent Alarm Test or Silent Trouble test modes.
2.
ALARM BELL - Audible alarm indicating a problem in the protected device. Check for red target in Alarm Unit.
3.
SILENT ALARM TEST - NORMAL - SILENT TROUBLE TEST - Three position switch to select a test mode.
4.
ALARM TEST - Indicator lights in the Silent Alarm Test Mode. Alarm Bell silent.
5.
TROUBLE TEST - Indicator lights in the Silent Trouble Test Mode. Trouble Buzzer silent.
6.
GROUND NEG LINE - Lamp glows when the negative side of the internal power supply is grounded.
7.
PILOT LAMP - When lit, the alarm panel is in operation.
8.
GROUND POS LINE - Lamp glows when the positive side of the internal power supply is grounded.
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9.
10.
EXT. SIGNAL FUSE CIR 1, 2, 3, 4 - Not used.
11.
12.
13.
TROUBLE BUZZER ALARM - Audible alarm indicating a problem when performing tests.
The following components are similar on all of the alarm units:
A. SUPERVISORY TARGETS - Gray - Normal condition. Yellow - Circuit trouble condition.
B. IDENTIFICATION PLATES - See items 14 thru 19 below.
C. TEST-OFF-NORMAL - Switch for test or normal operation.
D.ALARM TARGETS - Gray - Normal condition. Red - Alarm for problem in the specified area. Alarm
bell rings.
14.
LOW OIL PRESSURE - PORT PROPULSION ENGINE
- STBD PROPULSION ENGINE
15.
LOW OIL PRESSURE - STBD GENERATOR ENGINE
- PORT GENERATOR ENGINE
16.
HIGH TEMPERATURE - PORT PROPULSION ENGINE
- STBD PROPULSION ENGINE
17.
HIGH TEMPERATURE - STBD GENERATOR ENGINE
- PORT GENERATOR ENGINE
18.
HIGH TEMPERATURE - MAGAZINE SPRINKLER ALARM - MAGAZINE
19.
HIGH LEVEL - SEWAGE TANK POWER FAILURE - GYRO COMPASS
2-7
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