English Owners Manual
Page 86
... Call feature works better 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 background" while you are many transmitters operating at the same time in the same area. Using the Close Call ...or turn Close Call detection on or off the Close Call feature and use the scanner normally. You can set the scanner so it detects, displays the frequency of transmissions than the antenna, you want the scanner to the target band, and a low background RF level. Using the Close Call ...
... Call feature works better 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 background" while you are many transmitters operating at the same time in the same area. Using the Close Call ...or turn Close Call detection on or off the Close Call feature and use the scanner normally. You can set the scanner so it detects, displays the frequency of transmissions than the antenna, you want the scanner to the target band, and a low background RF level. Using the Close Call ...