Front Panel Controls - Extron electronics MVX VGA A User Manual

Quick Start — MVX VGA A Matrix Switchers
Installation
Step 1
Turn off power to the input and output devices,
and disconnect their power cords.
Step 2 — Inputs
a. Connect up to 16 high resolution
video inputs to the 15-pin HD
input connectors.
b. Connect up to 16 stereo or mono
audio inputs to the 5-pin captive screw
connectors.
Tip
Sleeve
Tip
Sleeve
Unbalanced Input
(high impedance)
Step 3 — Outputs
a. Connect up to 16 high resolution
video devices to the 15-pin HD
output connectors.
b. Connect up to 16 balanced or unbalanced
stereo audio or mono audio devices to the
5-pin captive screw connectors.
Tip
NO GROUND HERE.
Sleeve(s)
Tip
NO GROUND HERE.
Unbalanced Output
CAUTION
Connect the sleeve to ground.
Connecting the sleeve to a negative (-)
terminal will damage the audio output
circuits.
Step 4 — Remote port
If desired, connect a control system or computer
to the Remote RS-232/RS-422 port.
Pin RS-232 Function
1 — Not used
2 TX Transmit
1 3 RX Receive
6
4 — Not used
5 Gnd Ground
9
5
6 — Not used
7 — Not used
8 — Not used
9 — Not used
Step 5
If desired, connect a control system or computer
to the front panel Configuration (RS-232) port.
Use an optional 9-pin D to 2.5 mm mini jack TRS
RS-232 cable, part #70-335-01.
Tip
Ring
Sleeve (s)
Tip
Ring
Balanced Input
(high impedance)
Tip
Ring
Sleeve(s)
Tip
Ring
Balanced Output
RS-422 Function
— Not used
TX– Transmit (–)
RX– Receive (–)
— Not used
Gnd Ground
— Not used
RX+ Receive (+)
TX+ Transmit (+)
— Not used
MVX VGA A Matrix Switchers • Quick Start
Step 6 — Power
Plug the switcher into a grounded AC source.
Definitions
Tie — An input-to-output connection
Set of ties — An input tied to two or more
outputs
Configuration — One or more ties or sets of ties
Current configuration — The currently active
configuration (also called configuration 0)
Global preset — A configuration that has been
stored. One global preset can be assigned
to each input button. When a global preset
is retrieved from memory, it becomes the
current configuration.

Front Panel Controls

Input and output buttons select inputs and
outputs. Input and output LEDs light to
indicate video and audio ties.
• Input and output buttons also select presets.
• Output buttons also toggle video and audio
mutes on and off in View-only mode.
• Input LEDs also display the selected
output's volume.
• Output LEDs also display the selected
input's audio level.
Enter button saves changes.
Preset button selects:
• Save Preset mode to save a configuration as
a preset.
• Recall Preset mode to recall a previously-
defined preset.
View button selects a view-only mode that
prevents inadvertent configuration changes.
The View button also decrements the level
and volume. See "Viewing and adjusting the
audio level" on page QS-2.
Esc button cancels selections in progress and
resets the front panel button indications.
The Esc button does not reset: the current
configuration, the RGBHV and audio
selection, any presets, or any audio level
or volume settings. The Esc button also
increments the level and volume. See
"Viewing and adjusting the audio level" on
page QS-2.
QS-1