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Refer also to the MTPX Plus User’s Manual at www.extron.com.
3-7
Refer also to the MTPX Plus User’s Manual at www.extron.com.
Defining the Audio/RS-232 Wire Pair
an
d Configuring the R
emote Port
1. To enter Configuration mode, simultaneously press and
hold the Enter, Preset, View, and Esc buttons.
I / O
VIDEO AUDIO
C O N T R O L
PRESET
ENTER
ESCVIEW
C O N T R O L
PRESET
ENTER
ESCVIEW
2
1 3 16
Protocol: RS-422RS-232
After
2 seconds
Press and hold the Control buttons.
Release the Control buttons.
Both I/O buttons light
with one flashing.
The flashing button
indicates the protocol.
Unlit input buttons indicate audio.
Red input buttons indicate RS-232.
Unlit
Red
(RS-232)
Unlit
(audio)
9600
Baud
rate:
1152001920038400
All Control buttons light with one flashing.
The flashing button indicates the baud rate.
N
The Control and I/O buttons indicate the Remote port
baud rate and protocol as shown.
The input buttons show the audio/RS-232 wire pair
configurations.
2. Release the Control buttons.
N
These settings are protected when front panel Lock mode 2
is selected. You can view the configurations in Lock mode 2
but you cannot change them from the front panel; the
actions are ignored and the Enter, Video, and Audio
buttons flash.
See “Selecting Lock mode 2 or toggling between mode 2
and mode 0” on page 3-4 to unlock the front panel.
3. To change an input’s audio/RS-232 wire pair
configuration, press and release the input button to toggle
the configuration for that input.
2
1 3
Input button toggles:
Unlit --> red OR
red --> unlit
Press
N
You can also change the Remote port baud rate and
protocol by pressing the associated Control and
I/O buttons.
4. Press and release an output button to exit the Serial Port
Selection and Configuration mode.
Viewing and Adjusting the Audio Level
N
Volume can be adjusted for the local outputs only.
1. Press and hold the Audio button until it flashes.
AUDIO AUDIO
Audio button blinks.Press and
hold.
2 seconds
2. Press an input or output button. Refer to the MTPX Plus
User's Manual, chapter 3, “Operation”, to read the
displayed value.
17 18
1 2
5
Press an Input button to adjust gain/attenuation.
Press an Output button to adjust volume.
Output buttons display gain/attenuation.
Input buttons display volume.
1
Lit button Unlit button
1
= lit,
= unlit
= b
linking,
= lit, = unlit= blinking,
MTPX Plus Series • Front Panel Operation
Front Panel Operation, cont’d
3-6
MTPX Plus Series • Front Panel Operation