TABLE 1-7. BTS SWITCH INFORMATION

TM 11-6625-2884-30/NAVAIR 16-35TS3615-2

TABLE 1-7. BTS SWITCH INFORMATION

FUNCTION

SWITCH

1A1S1

LAMP TEST - Pushbutton switch, when pressed lights the JAM/

TEST/GO/NO-GO (1A1S4/D11) and INOP (1A1DS2) indica-

tors on the control panel assembly.

1A1S2

YIG FILTER IN OUT - Switch used to switch the YIG FILTER

(FL1) "IN" or "OUT" of the RF path in Status Panel

Assembly 1A2.

YIG FILTER CONTROL - Three decade thumbwheel switch used to

1A1S3

tune the YIG filter in the Status Panel Assembly 1A2.

OSCILLOSCOPE MONITOR - Dual concentric rotary 18 position

1A2S1

switch used for selecting 17 test points in the

LRU-1 under test or 1 signal from the RF Modulation

Assembly 1A3/1A4.

VOLTAGE MONITOR - Nine-position rotary switch used to

1A2S2

monitor the nine dc voltages in LRU-1 under test.

DET VIDEO/UUT SIGNAL - Two position toggle switch. When

1A2S3

in the DET VIDEO position, enables the monitoring

of detected RF from the LRU-1 under test. When in

the UUT position, enables the selection of one of 17

test points from LRU-1 under test, or 1 signal from

BTS via OSCILLOSCOPE MONITOR switch 1A2S1A.

RESET - Pushbutton switch - When pressed provides a master

1A2S4

reset signal to LRU-1 under test.

SORTER 1 LOAD - Alternate action pushbutton - When enabled,

1A2S5

sends a load command to sorter 1 of LRU-1 under

test.

SORTER 1 OVRD - Alternate action pushbutton - When enabled,

1A2S6

prevents sorter 1 from locking to any input signal.

SORTER 2 LOAD - Alternate action pushbutton - When enabled,

1A2S7

sends a load command to sorter 2 of LRU-1 under

test.

SORTER 2 OVRD - Alternate action pushbutton - When enabled,

1A2S8

prevents sorter 2 from locking to any input signal.

MOD DRIVE INHIBIT - Alternate action pushbutton - When en-

1A2S9

abled, scan modulation is disabled in LRU-1 under

test.

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