Radio Shack 20-521 owner manual Look AT the Display

DELAY — programs a 2-second delay for the selected channel, a limit search, or each service scan; programs a 5-second delay while trunk tracking.

t — searches down through a selected frequency range during a frequency search; selects options dur- ing program operation; changes the ID location number while trunk tracking.

s — searches up through a selected frequency range during a frequency search; selects options during pro- gram operation; changes the ID location number while trunk tracking.

Number Keys — each key has a single-digit label and a range of numbers. The single digits are used to enter a channel, frequency, service bank, or ID number. The range of numbers (31–60, for example) are used to en- ter the channels that make up a memory bank.

MON/CLEAR/• — stores frequencies into monitor mem- ories during a search; recalls frequencies from monitor memories when programming a channel; stores searched IDs into monitor memories or selects options while trunk tracking; enters a decimal point or clears an incorrect entry.

SVC (service)/E (enter) — starts a service bank search; enters frequencies into channels.

A LOOK AT THE DISPLAY

The display has indicators that show the scanner’s cur- rent operating status. A good look at the display will help you understand how your scanner operates.

BANK — appears with numbers (1–5). The numbers show which channel-storage banks are turned on for scanning.

TRUNK — appears when the scanner is set for trunk tracking.

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