User`s guide
ASTRO XTL 5000 Digital Mobile Radio with O5 Control Head 67
Trunking Operation
Selecting Enable and Disable (Digital Modes Only)
The dispatcher may classify regrouped units into one of two 
categories: select-enabled or select-disabled.
Requesting a Dynamic Regrouping 
(Digital Modes Only)
Select-enabled  Units are free to make mode changes to any of 
the available talkgroups, including the dynamic 
group.
Select-disabled Units cannot change modes because the 
dispatcher has specifically chosen to force the 
unit to remain in the dynamic mode.
Pres the RPGM softkey to request regrouping. 
A high-pitched tone sounds, indicating your request was received by 
the system’s central controller.
The display changes to REPROGRAM RQST while the request is being 
processed.
If the regrouping request is acknowledged, a dispatcher-
acknowledge signal sounds (four high-pitched tones), and the 
display shows ACK RECEIVED.
The radio then returns to normal operation.
If the regrouping request is not acknowledged within six to eight 
seconds, the display alternates between showing NO ACKNOWLEDGE 
and a low-pitched tone sounds.
At this time, do the following:
• Press the PTT button to resend the regroup request 
OR 
• Press the HOME button to return to normal operation.










