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Ack Delay Duration (ms) Enter the desired value directly or use the UP/DOWN arrow keys to
make your selection. This is the silent pretime duration that will be
used when encoding an MDC Acknowledgment. This delay will
typically be the same as the MDC Pretime. Valid settings range from 0
to 2550 ms in 10-ms increments.
The default is 500 ms.
Emer Long Press Period (sec) Enter the desired value directly or use the UP/DOWN arrow keys to
make your selection. This is the length of time (in seconds) that the
Emergency button must be held down in order to terminate
Emergency mode. Terminating emergency will cancel any remaining
emergency message retries and will remove the radio from the
unconditionally muted state in the case of silent emergency. Valid
settings range from one to 16 seconds in one-second increments.
The default is 5 seconds.
Open MIC Duration (sec) This feature is limited to HT 1000 “B” models and VISAR models with
firmware version 2.06 or later. If this field is enabled on a radio having an
earlier version firmware, it will have no effect.
Enter the desired value directly or use the UP/DOWN arrow keys to
make your selection. This field allows you to specify the time period
for which the radio will stay keyed when the MDC Emergency Open
MIC feature is active. The Open MIC feature takes control after the
MDC Emergency message has been transmitted and acknowledged. At
this time, the radio will key up and transmit ambient audio for a
period of time specified in this field. The time period can be set from
20 to 140 seconds in 20-second increments. This field can also be set
to Disabled in which case the Open MIC feature will be disabled. Open
MIC can be used either with the regular Emergency button or the
Mandown Accessory Switch.
The default is Disabled.
LTD Patience Duration (sec) Enter the desired value directly or use the UP/DOWN arrow keys to
make your selection. When a polite transmission is first initiated, the
Limited Patience Timer will be initiated. Before this timer expires, the
transmission will be sent out in the “polite” fashion. After the Limited
Patience Timer expires, the transmission will be sent out in “impolite”
fashion until acknowledged, or until all retries have been exhausted.
This timer may be set from one to 127 seconds in one-second
increments, and can also be set to Disabled.
The default is 4 seconds.
DOS Criteria Use the UP/DOWN arrow keys to make your selection. The Data
Operated Squelch (DOS) criteria allows the user to select whether the
DOS detect algorithm considers 1200 Hz or 1800 Hz alone to be a valid
data detect, or whether both 1200 Hz and 1800 Hz are required.
Note: A setting of 1200 Hz_and_1800 Hz in this field will tend
to minimize falsing on voice or noise.
The default is 1200_and_1800.
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