22
e
ncryption
Note:
You must install the Secure Cryptographic Module (SCM) to
use the Encryption feature.
Press the key programmed as
Encryption
, or access the
Menu {page 2}, to switch the transceiver to secure (encrypted)
transmission.
• Pressing the
PTT
switch after the Encryption function has been
turned ON encrypts the transmitted signal.
S
ignAling
■
Quiet Talk (QT)/ Digital Quiet Talk (DQT)
Your dealer may have programmed QT or DQT signaling on
your transceiver channels. A QT tone/ DQT code is a
sub-audible tone/code which allows you to ignore (not hear)
calls from other parties who are using the same channel.
Operator Selectable Tone (OST)
If a key has been programmed with
OST
, you can
reprogram the QT/DQT settings on each of your channels.
1
Select your desired channel.
2
Press and hold the key programmed as
OST
for
second.
3
Press
/
to select your desired tone or code.
• Your dealer can set up to 0 tones/codes.
4
Press
to save your new setting.
5
When you have finished operating using OST, press the
OST
key again to turn the OST function OFF.
■
Network Access Code (NAC)
Your dealer may have programmed a Network Access
Code on your transceiver channels. NAC is a feature of
P2 transceivers that functions similar to QT/DQT; squelch
will open only when the correct NAC is received.
Summary of Contents for TK-5220
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