ASTRO XTS 4250 Digital Portable Radio, Advanced Model 3
General Radio Operation
Physical Features of the XTS 4250 Advanced
Model 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 3 on page 4.
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 2: Physical Features
No. Feature Page No. Feature Page
1 Antenna 17 8 Home Button 8
2 On/Off/Volume Control
Knob
20 9 Battery 14
3 LED 10 10 Keypad 9
4 Microphone 11 App Button 8
5 PTT (Push-to-Talk)
Button
12 Display 4
6 Menu Select Buttons 7 13 Speaker
7 4-Way Navigation
Button
9 14 Universal Connector 19
No. Feature No. Feature
15 Side Button 2 19 Top Button
16 Side Button 1 20 2-Position Concentric Switch
17 Top Side (Select) Button 21 16-Position Select Knob
18 3-Position A/B/C Switch
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