English Owners Manual
Page 107
...the feature is on, appears on or off, press Func then . Performance is briefly interrupted about every 2 seconds. You can set the scanner so the Close Call feature works "in the background" while you are many transmitters operating at the same time in areas with higher transmit ...power, receive antenna tuned to look for transmitters using a highly directional antenna (such as mobile and handheld two-way radios in the same area. Several factors affect Close Call performance, however. Using the Close Call Feature 107 To turn off ...
...the feature is on, appears on or off, press Func then . Performance is briefly interrupted about every 2 seconds. You can set the scanner so the Close Call feature works "in the background" while you are many transmitters operating at the same time in areas with higher transmit ...power, receive antenna tuned to look for transmitters using a highly directional antenna (such as mobile and handheld two-way radios in the same area. Several factors affect Close Call performance, however. Using the Close Call Feature 107 To turn off ...