Uniden SR30C English Owner Manual - Page 43

Notes, Using Close Call Mode

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2. For the Close Call mode, frequencies are divided into 4 Close Call bands. Turn these bands on and off by pressing 1 - 4 as indicated: Band Range (MHz) Low High To turn a Close Call band on/off, press... VHF Low 25.00000 54.00000 1 AIR 108.00000 136.99166 2 VHF High 137.00000 174.00000 3 UHF 406.00000 512.00000 4 You can set the scanner so it alerts you when the Close Call feature detects a frequency. Program alert tones through your PC (see page 49). Notes: • Close Call RF capture cannot detect frequencies outside the scanner's normal operating range. • Close Call mode works better with some types of transmissions than others. It might not correctly display frequency information for transmitters using a highly directive antenna (such as an amateur radio beam antenna), if there are many transmitters operating at the same time in the same area, or if the transmitter is a broadcast television station. Using Close Call Mode Close Call mode has three operation modes: 43

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43
2.
For the
Close Call
mode, frequencies are divided into
4 Close Call bands. Turn these bands on and off by
pressing
1 ± 4
as indicated:
Band
Range (MHz)
To turn a Close Call
band on/off, press°°°
Low
High
VHF Low
25.00000
54.00000
1
AIR
108.00000
136.99166
2
VHF High
137.00000
174.00000
3
UHF
406.00000
512.00000
4
You can set the scanner so it alerts you when the Close Call
feature detects a frequency. Program alert tones through
your PC (see page 49).
Notes:
•
Close Call RF capture cannot detect frequencies outside the
scanner’s normal operating range.
•
Close Call mode works better with some types of
transmissions than others. It might not correctly display
frequency information for transmitters using a highly
directive antenna (such as an amateur radio beam antenna),
if there are many transmitters operating at the same time in
the same area, or if the transmitter is a broadcast television
station.
Using Close Call Mode
Close Call
mode has three operation modes: