Adjusting The Mlp 101 Aap - Extron electronics mlp 101 series User Manual

MLP 101 AAP, cont'd
1
2
Balanced
3
Pin
1
2
3-pin
3
Female
b
Mic Gain — A recessed, adjustable pot defines the amount of
input signal (between 25 and 72 dB) allowed into the preamp.
This pot is covered by a plastic cap to avoid tampering. To
adjust the pot, use a provided Extron Tweeker to remove the
covering, make adjustments, then replace the cap.
c
Active/Mute LEDs — The active LED lights green to indicate
active sound. The mute LED lights red to indicate mute.
d
Mute button — Toggles between active sound and mute
(indicated by its LEDs). When used with an optional Extron
VCM 100 controller, the two controllers are synchronized.

Adjusting the MLP 101 AAP

Most adjustment options for the MLP 101 AAP are located on
its rear panel (see "Rear Panel Features" in this chapter for an
illustration of each option). Therefore, you must perform these
adjustments prior to final mounting into a wall or a piece of
furniture.
To adjust the MLP 101 AAP, do the following:
1. If using a condenser microphone, flip the Phantom power
switch to the "on" position.
If using a dynamic microphone, flip the Phantom power
switch to the "off" position.
2. When using the microphone for voice audio, flip the
Low Cut switch to "on" to reduce wind and "table
rumble" noise.
When using the microphone for music audio, flip the
Low Cut switch to "off" to preserve the optimum sound
quality.
3. Set the Mic Gain pot by saying a few words into the
microphone and adjusting for the maximum sound level
that is free of distortion.
MLP 101 Series • MLP 101 AAP
3-4
Unbalanced
Description Pin Description
1
External cable (sheild/ground)
Ground
Signal
2
Live ("hot" positive phase)
Ground
3
Return signal ("cold" negative phase)
N
If there is a remote control connection, unplug it while
adjusting the Mic Gain pot. Replace the remote control
when finished.
4. If there is minimal distortion, but greater volume is
required, turn the Mic Gain pot clockwise (towards the
75 dB mark) to increase the volume, but not past the point
where distortion occurs.
Mounting the MLP 101 AAP
The MLP 101 AAP must be attached to a device faceplate or
AAP wall plate and then cabled before you can test and perform
the final mount (installation into a wall or piece of furniture).
N
Prior to final mounting, the MLP 101 AAP should be
tested to verify that its connections and settings are
correct.
To mount the MLP 101 AAP into a device faceplate or AAP wall
plate, do the following:
1. Before any cables are attached, insert the MLP 101 AAP's
standoffs through the holes in the device's faceplate or
AAP wall plate.
2. Secure all cables and connections into the rear connectors
of the MLP 101 AAP.
3. Using the provided #4-40 nuts and captive washers, secure
the preamplifier to the faceplate or wall plate, as shown
below.
Wall Stud
Screws or Nails
Cable
Clamp
Installation Cable
MLP 101 Series • MLP 101 AAP
#4-40 Nut w/ Captive
Washer
0 2
P 1
A A
V E
A C TI
A P
1 A
10
TE M LP
M U
n
t r o
E x
M IC
IN
AAP 102
Extron
MLP 101 AAP
MIC to Line
Preamplifier
3-5