Radio Shack PRO-72 - Manual (Page 21)

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— locks/unlocks the keypad to prevent accidental en-
tries.
LIGHT — turns on/off the display’s backlight.
Number Keys — use these keys to enter the numbers for
a channel or frequency.
MON/ 0 — enters a zero or accesses the monitor memory.
DLY/ • (delay/decimal point) — programs a 2-second delay
for the selected channel, or enters a decimal point (neces-
sary when programming frequencies).
L-OUT/E (lockout/enter) — locks out channels so they will
not be scanned, or enters frequencies into channels.
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