TABLE 2-4. RF MODULATION ASSEMBLY CONTROLS, INDICATORS AND CONNECTORS

TM 11-6625-2884-12/NAVAIR 16-35TS3615-1

TABLE 2-4. RF MODULATION ASSEMBLY CONTROLS, INDICATORS

AND CONNECTORS

FUNCTION

DEVICE

REFERENCE

Provides overcurrent protection to the RF

115V AC 1-1/2 amp

MODULATION ASSEMBLY.

circuit breaker

FREQ SEL F1/F2/F3

Selects one of three preset RF frequencies.

three position toggle

SWitch

Controls level at RF OUT connector in 10 dB

TRANSMIT ATTENUATOR

steps.

0-60 DB rotary control

Controls level at RF OUT connector in 1 dB

TRANSMIT ATTENUATOR

0-9 DB rotary control

steps.

Permits selection of either PULSE or CW RF

OUT SEL PULSE/CW

output.

toggle switch

Permits selection of one of three preset

PRI OFF/VAR PRI/A-W/

PRI's, or variable PRI under control of

A-F/B rotary control

PRI MICROSEC switches.

Sets PRI when switch is in VAR PRI position.

PRI MICROSEC three

PRI range is 300 to 999 us in steps of 1 us.

section thumbwheel

control

Sets Pulse width in steps from O.luS to

PW MICROSEC two

9.9 us.

section thumbwheel

control

Sets CS frequency in 1 Hz steps from 1 Hz to

CS FREQ HZ two

99 Hz.

section thumbwheel

control

Permits selection of one of ten preset CS

CS MOD DEPTH DB

modulation depths in discrete steps

rotary control

from O to 25 dB.

11 through 15 continued on next page.

2-13