Motorola 4550 ユーザーズマニュアル

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Advanced Features
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NOTE: You cannot manually add or delete an entry to the 
Members list. Check with your dealer or system 
administrator for more information.
Starting an Automatic Site Search
NOTE: The radio only scans for a new site if the current signal 
is weak or when the radio is unable to detect any signal 
from the current site. If the RSSI value is strong, the 
radio remains on the current site.
Procedure: 
Press the programmed Site Lock On/Off button.
1
A tone sounds and the display shows Site Unlocked.
2
The yellow LED blinks rapidly when the radio is actively 
searching for a new site, and turns off once the radio locks 
on to a site.
3
The display shows the site roaming icon and channel alias.
OR
Procedure: 
Use the menu.
1
S
 to access the menu.
2
P
or
 
Q
 to Utilities and press 
N
 to select.
3
P
or
 
Q
 to Radio Settings and press 
N
 to select.
4
P
or
 
Q
 to Site Roaming and press 
N
 to select.
5
P
or
 
Q
 to Unlock Site and press 
N
 to select. A tone 
sounds and the display shows Site Unlocked.
6
The radio returns to the Home screen. The display shows 
the site roaming icon and channel alias.
7
The yellow LED blinks rapidly when the radio is actively 
searching for a new site, and turns off once the radio locks 
on to a site.
The radio also performs an automatic site search (site is 
unlocked) during a PTT button press or data transmission if 
the current channel, an IP Site Select channel with an attached 
roam list, is out of range.
Stopping an Automatic Site Search
When the radio is actively searching for a new site:
Procedure: 
Press the programmed Site Lock On/Off button.
1
A tone sounds and the display shows Site Locked.
2
The LED turns off and the display shows the channel alias.
OR
NAG_6880309T15.book  Page 52  Tuesday, March 9, 2010  11:47 AM