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ASTRO XTS 5000 Model II 71
Special Radio Features
Secure Operations
Secure radio operation provides the highest commercially available
level of voice security on both trunked and conventional channels.
Unlike other forms of security, Motorola digital encryption provides
signaling that makes it virtually impossible for others to decode any
part of an encrypted message.
Note: Secure operation is not available in trunked analog modes.
Select Secure Transmissions
Select Clear Transmissions
Turn the preprogrammed
Secure/Clear switch to the
secure position (L).
Note: If the selected channel
is programmed for clear-
only operation — when
you press the PTT
button, you see CLR TX
ONLY, and you hear an
invalid mode tone.
• Invalid mode tone
The radio will not transmit until you set the Secure/
Clear switch to the clear position (T).
Turn the preprogrammed Secure/Clear switch to the clear
position (T).
Note: If the selected channel
is programmed for
secure-only operation —
when you press the PTT
button, you see SEC TX
ONLY, and you hear an
invalid mode tone.
• Invalid mode tone
The radio will not transmit until you set the Secure/
Clear switch to the secure position (L).
c
CLR TX ONLY
SEC TX ONLY
94C26-K_XTS5000Mdl2.book Page 71 Friday, April 25, 2008 9:48 PM