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 |
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Low | High | band on/off, press | |||
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VHF Low | 25.00000 | 54.00000 | 1 |
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AIR | 108.00000 | 136.99166 | 2 |
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VHF High | 137.00000 | 174.00000 | 3 |
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UHF | 406.00000 | 512.00000 | 4 |
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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:
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