26
4
APCO P25 MODE OPERATION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
n
Control Channel Hunt
function
(P25 Trunking mode only)
The P25 Trunking mode allows the transceiver to automati-
cally search for a control channel in a repeater system, ac-
cording to the preset hunt list* when;
• Turning the power ON.
• The P25 Trunking mode is selected.
• The transceiver goes out of the range and does not re-
ceive the downlink signal from the current registered con-
trol channel.
- “
Searching” is displayed. (Simple and 10-key types only)
- S-meter icon is displayed according to the received signal
strength level. (Simple and 10-key types only)
- The LED indicator slowly blinks green. (Only Non-display types
whose revision number is 1.7 or later)
For Handhelds:
For Mobiles:
* The valid control channels (up to 250) are listed on the hunt list.
ch-01
Searching
c h - 0 1
S e a r c h i n g
“ ” and “ ” are not displayed.
(Simple and 10-key types only)
D
Construction of the P25 Trunking system
— WACN 2
— WACN 3
•
•
P25 Trunking system
— SYSTEM 2
— SYSTEM 3
•
•
— RFSS 2
— RFSS 3
•
•
— SITE 2
— SITE 3
•
•
— WACN
(Wide Area Communication Network)
1
— SYSTEM 1
— RFSS
(RF Sub System)
1
— SITE 1
• Registration
• Group affiliation
—
—
—
Repeater 1
(Control CH*)
Repeater 2
(Traffic CH 1)
Repeater 3
(Traffic CH 2)
•
•
SITE 1
*One control channel
exists in each site.
☞
Continued on the next page