Ericsson EDACS MDX, Operator'S Manual

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group is entered in the scan list more than once and in different modes (clear
or digital), only the first occurrence of the group will be used.
CONVENTIONAL OPERATION
Outside Address
The same outside address (works similar to Channel Guard operation)
must be programmed in the transmitting and receiving radios when Aegis
digital operation is enabled. If address is not correct, the radios will not
communicate.
Channel Guard
Channel Guard encode is transmitted on analog, clear channels only.
Channel Guard decode will operate on either a clear or digital channel. The
exception is when GE
•
STAR signaling is used (see GE
•
STAR paragraph).
GE
•
STAR
When GE
•
STAR is programmed on a private channel, the radio will
transmit GE
•
STAR in clear mode and then switch to private for the voice
portion of the call. If GE
•
STAR is sent with Channel Guard, then both are
sent in clear mode and then radio switches to private mode. Emergency
GE
•
STAR data burst is transmitted in clear mode.
GE-MARC OPERATION
PLACING A DISPATCH CALL
1. Select the desired system or area and group.
2. Press PTT.
3. The display changes from the selected system or area and group
display to WAIT while the radio is acquiring a repeater.
4. The radio sounds a three-tone alert signal when the communications
channel is acquired.
5. If the radio is out of range of the selected system, 4 short and 1 long
beep will be heard and NO SVC will be displayed for approximately
20 seconds. While NO SVC is displayed, no attempts can be made
to place a call. If a new area is selected NO SVC turns off and the
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