Clear-Com Tempest2400 - Manual (Page 57)

51 Tempest®24 00 2 -Channel Wireless Intercom System
Controls
The 2-Wire Intercom Type Select Switch determines the type of 2-Wire intercom that may be
connected to the corresponding 2-Wire connectors on the rear panel of the BaseStati on. Clear-
Com, RTS, or BAL (AudioCom) can be selected. These switches only aff ect 2-Wire operati on and do
not control 4-Wire operati on. The CHAN A&B switch selects the 2-Wire system type for both the
A and the B intercom channels.
The Intercom Channel Select (SEL) butt on selects one of the two intercom channels to allow
selecti on of 2-Wire or 4-Wire functi onality and to allow the intercom audio IN and OUT levels
to be adjusted.
Pressing the Intercom Channel Select butt on once selects Menu Mode on the BaseStati 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 two CHAN LEDs located to the right of the
CHAN SEL butt on and on the LCD screen. Additi onal presses of the CHAN SEL butt on advances
through the remaining intercom channels. The next press of the CHAN SEL butt on will exit
Menu Mode and will cause all of the LEDs to be illuminated.
The 2-Wire/4-Wire Select (SEL) butt on selects the connecti on mode for operati on of
each of the two intercom channels. Pressing the 2-Wire/4-Wire Select (SEL) butt on
changes the selected intercom mode between 2-Wire, 4-Wire or no wired connecti on.
In Operati onal Mode, the four 2-Wire/4-Wire LEDs indicate the currently selected
hardwired intercom connecti on mode for each of the intercom channels: 2-Wire, 4-Wire,
or no wired intercom connecti on.
The IN and OUT controls adjust the intercom volume level coming in to the Tempest BaseStati on
from the hardwired intercom system or out to the hardwired intercom from the BaseStati on. In
additi on, these knobs adjust Aux IN/OUT levels.
To adjust the levels, press the CHAN SEL butt 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 connecti ng the 2-Wire intercom to
the back of the Tempest BaseStati on. Never change the switch setti ng while connected to a
wired intercom system. Failure to follow this procedure could damage the Tempest BaseStati on
or the 2-Wire hardwired system.