Service manual

OPERATION
3-6
Revised February 1997
Part No. 001-9750-005
Table 3-1 Multi-Net Standard And Special Call Receive Priority
Interrupting Call
Call in Progress
Standard
Group
Intercon-
nect
Auxiliary
Interro-
gate
Kill Reassign
Emer-
gency
All Call
Standard Group [1] [1] [1] Yes Yes Yes Yes Yes
Interconnect No No No No Yes Yes Yes Yes
Auxiliary No No No No No No Yes Yes
Interrogate NoNoNoNoNoNoYesYes
Kill No No No No No No Yes Yes
Reassignment NoNoNoNoNoNoYesYes
Emergency NoNoNoNoNoNo--- Yes
All Call No No No No No No [2] --
[1] With these calls, the priority order is determined by the type of ID code as described in Section 3.3.4.
[2] Since the “All Call” call goes out on all system repeaters, the emergency call is not sent until that call is
finished.
3.4 SCAN (SYSTEM AND GROUP)
3.4.1 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 Section 3.5.19). When
system scanning is enabled by an option switch, 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 by programming). When system scanning is
actually occurring, either “SNGLE SCAN” (single-
site) or “MULTI SCAN” (multi-site) is indicated in the
alphanumeric display (see next section). In addition,
two rotating symbols are present in the status display
between the system and group numbers as described in
Section 3.2.
Scanning is sequential through the programmed
systems in the current bank unless they have been
deleted from the scan list 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.
While scanning is occurring (rotating symbols in
the status display), the display always indicates the
system/group on which a transmission would occur.
However, when a call is received, the display changes
to the system/group of the call and this may not be
where a transmission occurs (see Section 3.5.21).
When the delay period expires (see Section 3.4.3), the
system/group on which transmissions occur is again
displayed.
3.4.2 MULTIPLE- AND SINGLE-SITE SCAN
Each bank can be programmed for either Multi-
Site or Single-Site scan. This can also be selected by
the user if the Menu Mode “SCAN SELCT” parameter
is available (see Section 3.5.21). The type of scanning
currently selected is indicated by “SNGLE SCAN” or
“MULTI SCAN” in the alphanumeric display when
scanning is occurring. The single-site type should be
used when only Multi-Net systems programmed with
the same site number are to be scanned. Otherwise, the
multiple-site type should be used. These types of scan
operate as follows:
Single-Site Scan - Calls are detected on only systems
in the current bank that are programmed with the site
number of the revert system. For example, if System 2
was displayed when scanning was turned on, only
systems programmed with the System 2 site number
are scanned. For more information on sites, refer to
Sections 4.4.4 and 5.4.