Preparing Your Radio for Use
English
5
 
To remove the battery, 
turn the radio off. Squeeze 
the release latches at the 
bottom of the battery until 
the battery releases from 
the radio. Remove the 
battery from the radio.
Note:If your radio is 
preprogrammed 
with volatile-key 
retention, the 
encryption keys 
are retained for 
approximately 30 
seconds after 
battery removal. 
Check with your 
dealer or system 
administrator for 
more information.
You can view the status of the IMPRES™ battery if the radio is 
using an IMPRES battery. See IMPRES™ Battery 
Annunciator on page 149 for more information.
Attaching the Antenna
With the radio turned off, set the antenna in its receptacle and 
turn clockwise to attach it to the radio.
 
To remove the antenna, turn the antenna counterclockwise. 
Make sure you turn off the radio first.