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49 Tempest®900 4-Channel Wireless Intercom System

Controls

The two 2-Wire Intercom Type Select Switches determine the type of 2-Wire intercom that may

be connected to the corresponding 2-Wire connectors on the rear panel of the BaseStaon. Clear-

Com, RTS, or BAL (AudioCom) can be selected. These switches only aect 2-Wire operaon and do

not control 4-Wire operaon. The CHAN A&B switch selects the 2-Wire system type for both the A

and the B intercom channels. The CHAN C&D switch selects the 2-Wire system type for both the

C and the D intercom channels.

The Intercom Channel Select (SEL) buon selects one of the four intercom channels to allow

selecon of 2-Wire or 4-Wire funconality and to allow the intercom audio IN and OUT levels

to be adjusted.

Pressing the Intercom Channel Select buon once selects Menu Mode on the BaseStaon and

displays the Intercom Levels screen on the LCD display. A second press selects channel A. The

intercom channel selected is indicated by one of the four CHAN LEDs located to the right of the

CHAN SEL buon and on the LCD screen. Addional presses of the CHAN SEL buon advances

through the remaining intercom channels. The next press of the CHAN SEL buon will exit

Menu Mode and will cause all of the LEDs to be illuminated.

The 2-Wire/4-Wire Select (SEL) buon selects the connecon mode for operaon of

each of the four intercom channels. Pressing the 2-Wire/4-Wire Select (SEL) buon

changes the selected intercom mode between 2-Wire, 4-Wire or no wired connecon.

In Operaonal Mode, the eight 2-Wire/4-Wire LEDs indicate the currently selected hard

wired intercom connecon mode for each of the intercom channels: 2-Wire, 4-Wire, or

no wired intercom connecon.

The IN and OUT controls adjust the intercom volume level coming in to the Tempest BaseStaon

from the hard wired intercom system or out to the hard wired intercom from the BaseStaon. In

addion, these knobs adjust Aux IN/OUT levels.

To adjust the levels, press the CHAN SEL buon to enter Menu mode, CHAN SEL again to advance

to the desired channel and rotate the IN or OUT controls. Note that the LCD display indicates the

currently selected levels.

Intercom Channel volume levels are expressed in Decibels (dB):

» 2-Wire IN: -13.5 to +10.5 2-Wire OUT: -10.5 to +7.5

» 4-Wire IN: -18 to +4 4-Wire OUT: -6 to +12

Always set the 2-Wire Intercom Type Select Switches prior to connecng the 2-Wire intercom to

the back of the Tempest BaseStaon. Never change the switch seng while connected to a

wired intercom system. Failure to follow this procedure could damage the Tempest BaseStaon

or the 2-Wire hard wired system.

Clear-Com Tempest 900 Reference Manual

Other manuals for Clear-Com Tempest 900