January 2008 13
Below is a list of features controlled by DIP switches, along with use recommendations.
Zulu DIP switches and their recommended use
DIP switch OFF position ON position Recommendations
Stereo/Mono Stereo Mono
(factory setting)
Affects audio from the panel only
and should be set to Mono in most
cases. Set this to Stereo only if
you are using a stereo audio panel.
If your audio panel produces a
mono signal but the switch is
set to Stereo, you will hear radio
communications in only one ear.
Bass boost Bass boost off
(factory setting)
Bass boost on Increases bass amplification.
Treble boost Treble boost off
(factory setting)
Treble boost on Increases treble. This feature can
be useful if you need extra help
hearing speech clearly.
Cell mic bias Cell mic bias off Cell mic bias on
(factory setting)
Powers Zulu’s microphone so you
can make phone calls with the
headset when it is not plugged
into an airplane’s audio panel.
Noise gating Leave set to OFF. If interested in using this feature,
call Lightspeed for information.
Leave off Leave set to OFF. Test mode; for factory use only.
ZuluUG_online.book Page 13 Thursday, December 27, 2007 9:50 PM
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