User's Manual

ASTRO XTS 4000 3
General Radio Operation
Physical Features of the XTS 4000 Radio
Note: Do not block or cover the microphone when talking through the
radio.
Programmable Controls
The following radio controls can be programmed to operate certain
software-activated features.
The features that can be assigned to these controls by a qualified radio
technician, and the pages where these features can be found are listed in
Table 2 on page 4. Check with your dealer for more information
supporting the programmable buttons.
Any references in this manual to controls that are “preprogrammed”
mean that a qualified radio technician must use the radio’s
programming software to assign a feature to a control.
Table 1: Physical Features
No. Feature No. Feature
1 Antenna 10 Menu Select Buttons
2 Home Button 11 Power Button
3 Volume Rocker 12 Data Button
4 PTT (Push-to-Talk) Button 13 4-Way Navigation Button
5 External Display 14 Keypad
6 External Audio Speaker 18 Audio Jack
7 Battery 19 CE Connector
8 Internal Audio Speaker 21 Microphone
9 Internal Display
No. Feature No. Feature
15 Secure Button 17 Keypad Programmable
Button
16 Emergency Button 20 Side Button