EFJohnson High Tier Two-Way Radio User Manual


 
CONTROLS AND DISPLAY
13
Speaker - The internal speaker is located behind the grille. An optional
speaker can be connected to the external speaker jack located on the back.
See “Speaker Jack” description which follows.
Rear Panel Jacks and Connectors
Antenna Jack - Miniature UHF jack for connecting the 50-ohm antenna.
Power Jack - Connection point for the power cable which attaches to the
vehicle battery. A nominal 12-volt DC, negative ground power source is
required.
Speaker Jack - Connection point for an optional external 4.7-ohm, 5-watt
speaker. The internal speaker is automatically disabled when a speaker is
plugged into this jack.
Accessory Cable (Not Shown) - This optional cable is used to connect
functions such as ignition switch sense and horn alert to the transceiver.
Data Cable (Not Shown) - This optional cable is used to connect data
equipment such as modems and data terminals to the transceiver.
Antenna
Jack
Speaker
Jack
Power
Jack