Connecting an Optional Antenna
The scanner's BNC connector makes it easy to connect a variety of optional antennas, including an external mobile antenna or outdoor base station antenna.
Note: Always use
Connecting an Earphone/Headphone
UBC72XLT
For private listening, you can plug a 3.5 mm mini- plug earphone or mono headphones (not supplied) into the headphone jack on top of your scanner. This automatically disconnects the internal speaker.
Connecting an Extension Speaker
In a noisy area, an optional extension speaker, positioned in the right place, might provide more comfortable listening. Plug the speaker cable's 3.5-
mm
WARNING!
If you connect an external speaker to the scanner's headphone jack, never connect the audio output line to a power supply and ground. This might damage the scanner.
Setting Up Your Scanner
20