Table 6-5.--Ground Fault Detection Panel, Controls and Indicators

Figure 6.24.--Ground fault detection panel.

Table 6-5.--Ground Fault Detection Panel, Controls and Indicators

DESIGNATION

FUNCTION

POSITION/INDICATION

HULL TO BATT

Indicates voltage between system positive

0--60 volts dc.

+ Meter

supply bus and ship's hull.

HULL TO BATT

Indicates voltage between system negative

0--60 volts dc.

Meter

supply bus and ship's hull.

Disconnects ship's hull from circuit and

METER/TEST

Test (down)--ship's hull in

places meter directly across power supply.

Switch

circuit.

Meter (up)--ship's hull out

of circuit, meters are

across power supply.

DIAL LAMP

Disconnects lamp buses from the power

On (up)--lamp bus con-

nected.

BUS DISCON-

supply.

NECTS Switches

Off (down)--lamp bus dis-

connected.

Disconnects all lamp buses from phone

Up--lamp buses connected.

DIAL LAMP

MASTER DIS-

station dial lamps.

Out (down)--lamp buses

disconnected.

CONNECT Switch

Disconnects ATBT lead at oscillator board.

Up--ATBT lead discon-

LINE (R)

nected.

CHECK Switch

Down--ATBT lead con-

nected.

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