ASTRO XTS 2500/XTS 2500I Model III 45
Common Radio Features
Note: • For ALL Emergency signals: You can change channels 
while in Emergency operation if the new channel is also 
programmed for Emergency. The emergency alarm or call 
continues on the new channel.
•  If the new channel is NOT programmed for Emergency, you 
see NO EMERGENCY, and hear an invalid tone until you exit 
the Emergency state or change to a channel programmed 
for emergency. 
Emergency Keep-Alive
If the radio is in the Emergency state, with Emergency Keep-Alive 
enabled, you cannot turn off the radio by using the On/Off Control 
knob.
With Keep-Alive, the radio will only exit the Emergency state using 
one of the ways mentioned in the previous sections (Emergency 
Alarm, Silent Emergency Alarm, or Emergency Call).
Note: To exit emergency at any time, press and hold the 
Emergency button for about a second.
2 The silent emergency state 
continues until you press and 
hold the Emergency button 
for about a second to exit the 
emergency state. 
OR
Press and release the PTT 
button to exit silent 
emergency. The silent alarm 
is cancelled without an exit 
tone, and you can begin 
transmitting voice calls.
• Press and hold the 
Emergency button
OR
• Press and release the PTT 
button
94C06.book  Page 45  Wednesday, June 23, 2010  11:41 AM