Tyco P5400 series - Scanning Trunked Groups; Turning Scan on and off; Adding Groups to a Scan List; Table 10-6: Transmit;Receive Mode Compatibility for Digital Voice Operation

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group. If a group is entered in the scan list more than once, and in different modes (clear, digital, or
private), only the first occurrence of the group will be used.
Table 10-6: Transmit/Receive Mode Compatibility for Digital Voice Operation
GROUP/CHANNEL
PROGRAMMING
(TRANSMIT)
CLEAR
RECEIVE
DIGITAL
RECEIVE
PRIVATE
RECEIVE
CLEAR Yes No No
DIGITAL Yes Yes No
PRIVATE Yes No Yes*
*assumes the proper cryptographic key is loaded
Conventional Digital or encrypted channels require Channel Guard on the channel to
operate correctly. The voice coding technology embodied in this product is protected
by intellectual property rights including patent rights, copyrights, and trade secrets of
Digital Voice Systems, Inc. The user of this technology is explicitly prohibited from
attempting to de-compile, reverse engineer, or to disassemble the Object Code, or in
any other way convert the Object Code into a human-readable form.
10.18 SCANNING TRUNKED GROUPS
Groups that have been previously added to the scan list on a per system basis may be scanned. Each
system's group scan list is retained in memory when the radio is powered OFF or when the battery pack is
removed.
10.18.1 Turning Scan On and Off
1. Toggle Scan operation ON by pressing (P5450 model) or (P5470 model). icon rotates
clockwise to indicate radio is scanning.
2. Toggle Scan operation OFF by again pressing
(P5450 model) or (P5470 model). will
disappear.
• If the radio scans to a group other than the selected group then receives a call on the selected
group, the radio will switch to the selected group. However, if the “scanned-to” group is
programmed at a higher priority the radio will remain on the “scanned-to” group.
• The radio will continue scanning if a new group is selected when scan is ON.
3. Pressing the PTT button when scan is ON will cause the radio to transmit on the displayed group or to
the currently selected group (depending on programming).
10.18.2 Adding Groups to a Scan List
P5450 Model Radio
1. Scan must be OFF to add/delete groups to/from the scan list. If the Scan icon
is ON, press the
key to turn Scan OFF.
2. Select the desired group using the Voice group selection knob and/or the
or keys. If the
selected group is currently on the list, pressing
will display on line three.
3. If the scan list status icon is blank (
), the group can be added to the scan list by pressing the key.
will be displayed on line three.