Clear-Com TEMPEST 2400 Spécifications télécharger pdf (Page 50)

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Clear-Com Communication Systems Page 50 of 100

Tempest 2400 Wireless Intercom System

Master Mode

Master Mode is a Tempest base station function that allows multiple base stations to share audio without

the presence of an external hardwired intercom system power supply. Master Mode provides the

necessary system termination to the 2-Wire hybrid circuitry in each of the Tempest base stations so that

common audio transfer can take place. Each base station in a linked system provides its own power for

audio. Any combination of channels may be linked, from just one channel to all four channels.

The only limit to the number of base stations that can be linked to share an audio channel is the impact of

multiple RF sources in close proximity. As the number of base stations goes up and they begin to

compete for RF spectrum, the range will begin to decrease. See the section on Accu-Sync on page 49

and the section on Antenna Location on page 24, to minimize the effect of RF competition.

It is necessary to use Master Mode when two or more Tempest base stations will be linked to share audio

and an external hardwired intercom system is NOT present to provide a power. When an external 2-Wire

intercom system is connected to Tempest, the external 2-Wire intercom system provides the required

power and system termination and Master Mode is automatically disabled.

On the base station that will be set to Master Mode, set both 2-Wire Intercom Type Select slide switches

(A/B & C/D) to the Clear-Com position. Master Mode only works as Clear-Com type. If “RTS” or “BAL” is

selected, an attempt to set the base station as master will result in an error message. If a slide switch is

changed from Clear-Com to RTS or BAL, Master Mode will turn off, and it will be necessary to return to

the “Multi-Base Setting” menu to re-enable Master Mode.

On slave base stations, set the slide switch for channels that will be connected to the master base station,

to Clear-Com. Channels not connected to the master base station may be connected to other systems.

On each base station, set the shared intercom channel(s) to the 2-Wire mode. Master Mode only works

for channels selected for 2-Wire connection. Channels that will not be connected across base stations

should not be set for 2-Wire connection.

Connect the appropriate intercom channel(s) of each base station that will share audio using the 3-PIN

XLR male and female connectors on the back of the base station.

Complete all settings and connections before activating Master Mode. Set one base station to Master

Mode. Master Mode settings are found at the “Set Base as Master” screen under the “Multi-Base

Settings” main menu selection. It is only possible to set one base station as Master. The words “Master

Mode” appear in the top line of the base station display, to the right of the base station name, when

Master Mode is active. An attempt to set a second base station as master will result in an error message.

It does not matter which base station in a linked series is set to Master Mode.

Slave base stations – those not set as master – detect the master base station as a Clear-Com

connection. For example, if only channels A and B are connected to the master base station, then

channels C and D of the slave base stations work normally and can have alternate configurations. In this

case, Channels C and D may be set to RTS, or BAL, or even 4-Wire, as long as those channels are not

linked to the master base station.

An attempt to set a base station to Master Mode while connected to a 2-Wire system will result in an error

message. If a base station has “Set Base As Master” first turned on, and an external hardwired intercom

system is connected later, the Tempest base station will turn off Master Mode.

The “Set Base As Master” setting will remain on through a power cycle.

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Clear-Com TEMPEST 2400 Spécifications Page 50

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