Advanced Features; Scanner - Baofeng BF-17H Series User Manual

6. ADVANCED FEATURES

6.1 Scanner

The radios features a built in scanner for the VHF and UHF bands. When in Frequency (VFO) mode it will scan in steps
according to your set frequency step. In Channel (MR) mode it will scan your channels.
key for about two seconds. You can change the scanning direction with the 
To enable the scanner, press and hold the
or  keys. Press and hold the
key to exit scanning mode.
6.1.1 Frequency Ranger
In frequency mode, the frequency sweep range can be precisely set. Input the start value and end value of the sweep
frequency through the keyboard.
EX: Enter 144146, in frequency mode, scan in the range of 144.000-146.000MHZ. Enter 430440, in frequency mode, scan in
the range of 430.000-440.000MHZ.
Note: for VFO frequency Ranger, see Menu>SCAN>Freq Ranger.
6.1.2 Scan modes
The scanner is configurable to one of three ways of operation: Time, carrier or search, each of which is explained in further
details in their respective section below.
Time operation
In Time Operation (TO) mode, the scanner stops when it detects a signal, and after a factory preset time out, it resumes
scanning.
Carrier operation
In Carrier Operation (CO) mode, the scanner stops when it detects a signal, and after a factory preset time with no signal
it resumes scanning.
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