TABLE 2-3. DATA ENTRY KEY FUNCTIONS

TM 11-6625-2975-12

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CONTROLS AND INDICATORS. (CONT)

DATA ENTRY keys enter rf carrier frequencies, radials, DDM, and modulation percentages. Table

2-3 shows individual data entry key function.

TABLE 2-3. DATA ENTRY KEY FUNCTIONS

FUNCTION

KEY

Provides numerical entry of rf carrier frequency, VOR radials,

Numerical O

ILS DDM, and percent modulation when correct modifier key is

through 9

pressed and lit.

Used for numerical entries requiring a decimal point.

q (decimal)

Enables numerical entries to signal generator circuits.

ENTER

Clears numerical key entry before ENTER key is pressed and

CLEAR

also clears nonvalid entries.

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