Motorola III User Manual download pdf (Page 111)

110

Trunked Radio Features Operation

(cont.)

110

SmartZone

Operation (cont.)

Site Switching in SmartZone

Site Switching in SmartZone mainly uses signal strength to determine

whether or not to switch sites. Other factors used to determine whether the radio

should switch sites is the radio's preferred site selection (which is programmable

via the RSS), and whether the radio is site locked or not. Because the radio at all

times knows the site ID, active control mode, and the signal strengths of its

adjacent sites, the radio is capable of quickly switching sites, which under normal

conditions is invisible to the user.

Viewing the Current Site and Forcing a Site Change

1. Momentarily press the search button (programmed via the RSS).

If the radio is presently locked onto a site

, the display will show either the

name of the current site or the site number (determined by RSS

programming).

If the radio is scanning for a new site

, the display will show “SCANNING

SITES” (MTS 2000 III radios only) until it locks onto a new site. This is a

timed display which will disappear after a few seconds.

If the radio has not yet received a site ID outbound signalling word

(OSW)

, the radio will display “SITE XX” until either the display times out

or the radio receives the site ID OSW.

2. Press and hold down the search button to manually force the change to a

new site. You will hear a tone and the display will show “SCANNING SITE“

(MTS 2000 III radios only) while the radio scans for a new site.

3. When a new site is found, the new site's name will be momentarily displayed

if it is known, otherwise “SITE XX” will be displayed.

Locking and Unlocking a Site

As in an AMSS radio, you can force the radio to stay locked onto a site,

regardless of whether the signal level of an adjacent site is higher or not. Of

course, locking a radio onto a particular site will defeat the automatic site

switching mechanisms of the radio. Note that you can still force the radio to scan

to another site while site locked. The radio will automatically become site locked to

the next site it finds. Refer to the section on AMSS operation for a description of

how to enter the radio into and out of the locked state.

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Motorola III User Manual Page 111