In Car Monitor

(DVRS Wide, General)

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Selects the DVRS method that the Mobile Subscriber Unit (MSU)-user uses to switch between two "In Car Monitor" (ICM) modes (monitoring of voice traffic to and from the Fixed Network Equipment (FNE) and / or other PSUs). The "ICM All" mode allows the MSU-user to monitor all Portable Subscriber Unit (PSU) voice group calls. The "ICM Selected" mode allows the MSU-user to only monitor PSU group calls where the MSU and PSU Talkgroups match. This selection applies to DVRS Profiles in a DVRS deployment.

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WFForward.png ICM operation can then be allowed or blocked on specific Personalities / channels via the ICM Allowed selection.

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When the DVRS Hardware Enable field is "Enabled" and

when the radio is a model / option capable.

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SELECTIONS:

DEFINITIONS:

HUB Controlled

The HUB (Hang-up Box) controls the toggling of the ICM modes.

  • When the HUB is on-hook, the"ICM Selected" applies where the MSU speaker unmutes to PSU group audio only when the Talkgroup selected on the PSU matches the Talkgroup selected on the MSU.

  • When the HUB is off-hook, "ICM All" applies, where the MSU speaker unmutes to PSU group audio regardless of the PSU's Talkgroup.

DotYellow.png The HUB is multifunctional, and in addition to controlling ICM, may also control HUB Defeats PL, HUB Suspends Scan, and so on, if enabled.

ICM Button / Menu Controlled

The DotRed.png In Car Monitor button-selection and / or DotRed.png In Car Monitor menu-selection controls the toggling of the ICM modes (All or Selected). If no button or menu selection is defined, the radio's default will be "ICM Selected".

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Upon ICM mode change, the new ICM state momentarily appears on the MSU's display.

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