Motorola MTM5400 Guide de l'utilisateur Page 50

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43
In TXI Mode the MTM5400 will not transmit under any
circumstances, except for the Emergency Call, which can be
initiated even if the MTM5400 is in TXI Mode.
All MTM5400 functions and keys which cause transmission,
e.g. registration to the network, change of talkgroup or folder,
sending messages, pressing PTT, etc. are disabled. In this
case the display shows “Not Allowed In TXI Mode” and the
MTM5400 sounds the “Transmit Inhibit” tone.
When no danger to safety exists anymore (for instance if you
leave the RF sensitive area), the TXI Mode can be
deactivated and the MTM5400 returns to standard operation.
Setting the TXI Mode is described in “Setting Transmit Inhibit
(TXI) Mode” on page 126.
Activated Transmit Inhibit is indicated by the solid orange
LED and flashing between the two displays:
Dynamic Group Number Assignment (DGNA)
DGNA provides the ability for a network operator or
authorised user to dynamically allocate new, or update
existing talkgroups to selected terminals over the air
interface.
Using supplementary services messages (SS-DGNA), the
network operator can command your terminal to add
talkgroups or to update the existing talkgroups, or to delete
talkgroups from the list. This operation is performed by
transmitting the data into your MTM5400.
TXI Mode
Folder 1
Police
Hello
Contcs
Optns
TXI Activated
Contcs
TXI Mode
Folder 1
TG4
Hello
Contcs
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