E.F. Johnson Company 5100 ES, Руководство по эксплуатации

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ES Series Models II/III Portable Radio Operating Manual 7-25
Multi-Net Features
Transmit Priority -
A transmit priority of 2-5 can be programmed. A “2” programs
the highest and “5” the lowest priority (“1” is reserved for emergency calls). Refer to
Section 7.2.3 for more information.
Receive Priority - The receive priority of the various group IDs is described in
Section 7.2.2.
Pre-emption - Each system can be programmed so that a Telephone or Unit call can
pre-empt (interrupt) only calls with the selected priority or lower. For example, if
Telephone Calls are programmed to pre-empt “Selected” calls, they would interrupt
calls on Selected, Group Scan, and Block ID codes, but not calls on the Priority 1 or
2 IDs.
7.18 Transmit Inhibit
This feature prevents the transmitter from keying if the subscriber unit being called is busy
with another call. To enable this feature, the system is programmed with a block of
transmit inhibit ID codes that can include up to all 225. If a code within this block is
detected up to 5 seconds before the PTT switch is pressed, the transmitter does not key, the
intercept tone sounds, and “TX INHIBIT” is displayed.
To make another call attempt, the PTT switch must be released and then pressed again.
Although the 5-second timer does count down while the PTT switch is pressed, it is not
possible to complete the call by holding the PTT switch down until the intercept tone stops
sounding.
Another use of this feature is to prevent the accidental interruption of a call in progress.
This could happen when the transmitting party unkeys. It can also provide an indication
that the subscriber unit being called is busy.