ACCESS/A A711 L-Series Installation & Operating Instructions 09RE416
Technisonic Industries ltd. Copyright 1996, 1997, 2010, 2011 BY TiL ALL RIGHTS RESERVED Page 2-27
Side RX/TX Adjustments
Adjustment Name
Location
Procedure/purpose
Notes
RX Mute Depth
L/H Side
Upper
Sets mute level of RX audio during
TX operations. (Sidetone)
Preset for 6dB at mid-
volume control. Set to other
desired level, if required
RX Hi Cut
L/H Side
Upper
Sets high frequency cut-off
(TREBLE) of RX audio.
Preset, Set to desired level,
if required
RX Low Cut
L/H Side
Upper
Sets low frequency cut-off (BASS)
of RX audio.
Preset, Set to desired level,
if required
ICS Mute Depth
L/H Side
Upper
Sets Mute depth of ICS audio during
TX operations
Preset, Set to desired level,
if required
ICS Hi Cut
L/H Side
Upper
Sets hi frequency cut-off (TREBLE)
of ICS audio. Useful for removing
very high levels of cabin high
frequency noise on the intercom.
Preset, Set to desired level,
if required
ICS Talk Level
L/H Side
Lower
Sets ICS talk level, and audio
exported to other units in the
airframe. Normally set to mid-
position.
Single -turn pot. Should
be set to lowest level that is
acceptable, to reduce ICS
noise. Normally set to mid-
position.
TX Mic Level
L/H Side
Lower
Sets TX Mic level, and audio
exported to transceivers in the
airframe. Normally set to mid-
position.
Single -turn pot. Should
be set to lowest level that is
acceptable, to reduce TX
mic noise. Normally set to
mid-position. Should be
similar to level from pilot’s
Mic output during
emergency operation.
PAX VOX Trip
L/H Side
Lower
Sets VOX offset for passengers.
Allows for differing Mics or ambient
conditions. PAX VOX tracks front
panel VOX control, but is offset by
this adjustment, which can be more
or less sensitive. Normally set to
mid-position.
Single -turn pot. Should
be set to mid-position
unless change required.
VOX Delay
L/H Side
Lower
Sets time dwell or delay of VOX
circuit, once activated. Too short
will result in choppy VOX operation,
too long will allow VOX to remain
open when no voice is present.
Single -turn pot. Should
be set to mid-position
unless change required.
