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SYSTEM SCAN
Introduction
The system scan feature monitors the programmed systems of the current bank. When a message is detected that
the transceiver is programmed to receive, scanning stops and the message is received. Shortly after the message is
complete, scanning resumes.
System scanning is turned on and off by the SCAN option switch (see page 3). When system scanning is enabled, a
triangle (
∆ ) is indicated in the display below the switch. The microphone must also be on-hook for scanning to occur
(unless off- hook detection has been disabled).
When system scanning is actually occurring, “SNGLE SCAN” or “MULTI SCAN” is indicated in the alphanu-
meric display (see “Multi-Site and Single-Site Scan” description on page 11). In addition, rotating symbols are present
in both status displays between the system and group numbers.
Scanning is sequential through the programmed systems unless they have been deleted from the scan list (see
“Scan List Programming” which follows) or single-site scan is used. The selected system and group can be changed
while scanning using the Select switch in the normal manner. Scanning temporarily halts while the change is being
made.
When a call is received in the scan mode, the display indicates the system/group of the call. However, this may not
be where transmissions occur (see “Transmitting in the Scan Mode” on page 11).
Scan Resume Delay
After a message is received or transmitted while scanning, there is a delay before scanning resumes. This delay is
programmable by your system operator for 0-7 seconds. The delay after a message is received prevents another message
from being received before a response can be made. The delay after a message is transmitted ensures that you hear a
response to your message instead of some other message occurring on another system/group.
There is also a scan continue timer that can be programmed by your system operator. If this timer is used, it sets the
maximum time that a message is received before scanning resumes. This can prevent scanning from being interrupted
for long periods by lengthy messages.
Scan List Programming
Systems and groups can be added to or deleted from the scan list if the transceiver is equipped with an A/D (add/
delete) option switch. The bar above the system or group indicates which changes when this switch is pressed. To move
this bar between the system and group displays, press the Select switch.
The scan list status of a system or group is indicated by an asterisk ( * ) in the status display. An “*” next to the
system number indicates that the displayed system is in the scan list and scanned normally. Likewise, an “*” next to the
group number indicates that the displayed group is in the scan list. When scanning is occurring, the scan list status is not
indicated because the rotating scanning indicators are displayed.
The displayed system or group can be deleted from the scan list while listening to a message on that system or
group. Scanning resumes shortly after the system or group is deleted. If the last system or group is deleted from the scan
list, the last selected group is still scanned.