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 TM 55-1905-219-14-2
OPERATING INSTRUCTIONS
ALARM SWITCHBOARD TYPE IC/S
These Instructions are not intended to replace Instruction Books, but to provide ready reference to standard operating
procedures.
Read your Instruction Book.
I STARTING THE EQUIPMENT
STEP 1
Close the circuit breaker on
STEP 2
The PILOT LIGHT will
the L-103 panel located in the
illuminate.
Pilot House.
II NORMAL OPERATION
STEP 1
If the ALARM BELL rings, a red
STEP 5
Throw the troubled circuit
ALARM TARGET will indicate the
TEST SWITCH to the OFF pos-
alarmed circuit.
tion to silence the alarm.
STEP 2
Throw the alarmed circuit TEST
STEP 6
Once the circuit trouble has
SWITCH to the OFF position to
been cleared, return the cir-
silence the alarm.
cult TEST SWITCH to the
NORMAL position.
STEP 3
Once the alarm condition has
STEP 7
An illuminated GROUND LIGHT
been cleared, return the cir-
indicates a ground on that
cult TEST SWITCH to the NORMAL
line.
position.
STEP 4
If the TROUBLE BUZZER operates,
a yellow SUPERVISORY TARGET will
indicate the troubled circuit.
III SILENT ALARM TEST
STEP 1
To test a circuit ALARM func-
STEP 5
SLOWLY throw the circuit
tion, throw the SILENT TEST
TEST SWITCH to the off
SWITCH to the SILENT ALARM TEST
position. The circuit
position. The TEST LAMP will flash.
yellow SUPERVISORY TAR-
GET will be displayed
STEP 2
Throw the circuit TEST SWITCH to
and the TROUBLED TEST
the TEST position. The circuit
LIGHT will flash momen-
red ALARM TARGET will be dis-
tarily.
played and the ALARM TEST light
will Illuminate.
STEP 6
Return TEST SWITCH to
NORMAL position and re-
STEP 3
Return TEST SWITCH to the NORMAL
peat STEP 5 for all cir-
position and repeat STEP 2 for
cults to be tested.
all circuits to be tested.
STEP 7
When testing is comple-
STEP 4
To test a circuit TROUBLE func-
ted, return all switches
tion, throw the SILENT TEST
to the NORMAL position.
SWITCH to the SILENT ALARM TEST
position. The TEST LAMP will flash.
IV STOPPING THE EQUIPMENT
STEP 1
Open the circuit breaker on the L-103 panel.
2-679
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