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What is Scanning?
Unlike standard AM or FM radio stations, most two-way communications
(listed below) do not transmit continuously. The BC9000XLT scans
programmed channels at the rate of up to 100 channels per second until it
finds an active frequency. Scanning stops on an active frequency, and
remains on that channel as long as the transmission continues. When the
transmission ends, and no response is detected, the scanning cycle resumes
until another transmission is received.
An optional DELAY can be set so that the scanner stays on the channel
for 2 more seconds, waiting for another transmission before resuming
scanning.
Searching
Scanning and searching are similar in that they both involve finding active
frequencies within a group of frequencies. The difference is Scanning
looks only at a group of programmed frequencies that are stored in the
scanner’s channels and grouped into banks.
Searching looks at all the frequencies within a pre-selected range of
frequencies.
If you find an interesting frequency while searching, you can store it in a
channel for easier access later. See “Programming with Search” on page
14. The main purpose of the Search function is to help you find active
frequencies to program into memory.
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CHANNELS
Frequency
Not
Entered
Frequency
Locked Out
(L/O)
SCAN