Clear-Com Tempest 900 User's Guide download pdf (Page 9)

Clear-Com Communication Systems Page 9 of 16

Tempest 2400 T-Desk Software User Guide

Any connection made through 2-Wire intercom connections requires nulling. All 2-Wire intercom

interfaces experience echo due to inherent inefficiencies in the two-wire hybrid circuitry. When the circuit

is nulled, a tone is generated, the echo is monitored, and Tempest’s internal circuitry adjusts to minimize

the echo. See the Tempest Wireless manual for more about nulling the system.

There is additional critical wired intercom information on the Dashboard Status Bar.

Aux Levels

The Aux Levels tab allows adjustment of the Aux In and Aux Out levels. Adjusting the Aux In or Aux Out

level to “0” disables the function for the selected channel.

After the relative volumes have been determined, the ‘Lock Sliders’ check box can be checked so when

one slider is adjusted, the other sliders will follow. This allows adjustment of all sliders together for

occasions where the background noise level changes significantly.

When “Lock sliders” is checked it is good practice to use the lowest volume slider to adjust to a lower

level and the highest volume slider to adjust to a higher level. If a slider that is set to a lower level is used

to adjust to a higher volume, the lower level slider can push the higher level slider to maximum and the

lower level sliders continues to adjust higher, thus changing the relative levels.

BaseStation Functions

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Clear-Com Tempest 900 User's Guide Page 9