Multimedia Presentation System 250
Crestron
MPS-250
Raise the Projection Screen
Press the button labeled
SCREEN UP
to raise the projector screen.
NOTE:
This function will only work if a projection screen’s control lines have been
connected to
RELAY
1
(up control) and
RELAY 2
(down control).
Adjust the Volume Level
The volume control of the MPS-250 consists of three parts; a program volume
control, a speech volume control, and a master volume control. The program and
speech volumes can be controlled independently of each other or can be jointly
controlled from the master volume control as shown in the following diagram.
MPS-250 Volume Control System
0%
100%
Start
Vol
Master
Vol
Min
Vol
0% (-80dB)
80% (0dB)
100% (+20dB)
Max
Vol
Start
Vol
SPEECH
Vol
Min
Min
Min
Max
Max
Min
Vol
0% (-80dB)
80% (0dB)
100% (+20dB)
Max
Vol
Start
Vol
PROGRAM
Vol
Min
Min
Min
Max
Max
PROGRAM
volume is set to Program Start volume when
SYS PWR
is pressed.
SPEECH
volume is set to Speech Start volume when
SYS PWR
is pressed.
MASTER
volume is set to Master Start
volume when
SYS PWR
is pressed.
The volume level of the MPS-250 is adjusted with the volume control knob. The
volume control knob will only control the volume parameter that was selected when
the Volume Control Mode was specified as described on 46.
NOTE:
If the volume control mode is set to the user-selectable mode, press the soft
button labeled “PGM VOL” to control the
PROGRAM
output volume or the soft
button labeled “SPCH VOL” to control the
SPEECH
output volume.
•
Raise the volume:
Turn the volume control clockwise. The volume level
will be displayed on the LCD.
•
Lower the volume:
Turn the volume control counterclockwise. The
volume level will be displayed on the LCD.
Mute Audio
The audio output of the MPS-250 can be muted with the
MUTE
button.
•
Mute the audio output:
Press the button labeled
MUTE
.
•
Unmute the audio output:
Press the
MUTE
button again.
76
•
Multimedia Presentation System 250: MPS-250
Operations Guide – DOC. 6647A