Lightspeed CAT 860, User Manual

Page: 26 / 88

26
1. Overview
2. Setup & Use
3. Optional
Accessories
4. T
roubleshooting
5. W
arranty
, Safety
& Specifications
9. AUDIO EQUALIZATION OF THE CAT 860
• The voice should be natural,
very clear and without any audio
feedback (ringing)
• Walk the room listening for the
overall quality and any feedback
that is present
• If there is a lot of audio feedback,
it is likely the volume is too high.
Ensure the volume is at the
appropriate level, a second person
is helpful to determine this.
• If feedback is still present with the
audio set at the right level, make
the following EQ adjustments:
– High pitched ring: lower the 2K
and/or 4K adjustment by _ turn
– Lower pitched ring: lower the
500 and/or 1K adjustment by _
turn
• If you notice the sound is “muddy”
or has too much bass:
– Lower the 500 adjustment by _
turn and/or
– Raise the 2K or 4K adjustment by
1/8 turn
• Note: the EQ adjustments should
be preset at “12:00.” This is the
nominal level and any adjustments
(up or down) should be made from
this level.
The CAT 860 uses a 4-band audio equalizer designed to optimize and fine-tune
the microphone sound quality for the classroom. Below are some tips on proper
system equalization: