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Tempest900 2-Channel Operating Manual
Split Mode
In Split mode, users are operating in a combination of Normal and Shared mode. This
mode offers the use of 4 BeltStations (per BaseStation) that utilize the standard anytime
talk back capability and allows an unlimited number of “shared” BeltStations to listen
and talk on the nal slot. In this mode, shared BeltStations have no control over which
channel they operate on. The channel is designated at the BaseStation.
• Unlimited number of (shared) BeltStations may be used in addition to the 4
BeltStations operating in Normal mode; BeltStations are
physically no different than a BeltStation operating in Normal mode.
• Shared BeltStations operate in momentary talk mode; only one shared
BeltStation may utilize the talk function at any given time.
• Each BeltStation is capable of features such as Stage Announce, Wireless ISO,
and Relays; however, each action takes up the only shared talk path so long as
it is triggered.
• Shared BeltStations are unable to provide telemetry to the BaseStation or
T-Desk, thus no BeltStation settings can be adjusted from the BaseStation or
T-Desk.
• Shared Audio is, by default, disabled at the BeltStation. When Shared Audio is OFF and the BeltStation user presses Talk, they will
only hear sidetone. This is similar to a Simplex audio mode of operation. When Shared Audio is ON and the BeltStation user presses
Talk, they will hear a slight echo of themselves, as well as any other listeners on that channel. Volume of the shared BeltStation that is
actively talking is dynamically reduced to minimize the effect of this echo. Shared Audio can be enabled and disabled at the BeltStation
under the “Mode Settings” menu.
Feature or Function Normal Shared Mode Split Mode
Number of BeltStations in Normal Mode up to 5 None up to 4
Number of shared belts None Unlimited Unlimited
Number of talk-back paths 1 per belt 5 for all Belts 1 per Normal Belt / 1 for all shared
Full-duplex audio Yes Yes Yes
Talk button may be set to latch Yes No Yes (Normal) / No shared
Channel selectable at BeltStation Yes Yes Yes (Normal) / No shared
Dual listen/talk Yes Yes Yes (Normal) / No shared
Locally generated sidetone in BeltStation Yes No Yes (Normal) / No shared
Individual sidetone adjust per BeltStation Yes No Yes (Normal) / No shared
BeltStation sidetone heard via return audio No Optional No (Normal) / Optional shared
Dip in BeltStation listen level when talking No Yes No (Normal) / Yes shared
BeltStation LCD shows BaseStation name Yes Yes Yes
BeltStation LCD shows RF signal strength Yes Yes Yes
Receive call Yes Yes Yes
Initiate Call Yes Yes, uses 1 talk-back per Yes (Normal) / Yes shared, uses talk-back
Stage announce audio / relay Yes Yes, uses 1 talk-back per Yes (Normal) / Yes shared, uses talk-back
Wireless ISO Yes Yes, uses 1 talk-back per Yes (Normal) / Yes shared, uses talk-back
Relay operation Yes Yes, uses 1 talk-back per Yes (Normal) / Yes shared, uses talk-back
Adjust BeltStation settings from BaseStation / T-Desk Yes No Yes (Normal) / No shared
Telemetry info from BeltStation on BaseStation & T-Desk Yes Limited* Yes (Normal only)
*No BeltStation name information is available from shared mode BeltStations. Most telemetry information is available upon transmit, but the
specic BeltStation cannot be identied.