Extron Electronics MAV 44_48_84_88 Series User Guide - Manual (Page 5)

QS-1 MAV 44 / 48 / 84 / 88 Matrix Switchers • Quick Start
Quick Start — MAV Series AV Matrix Switchers
Installation
Step 1 — Mount
If desired, mount the switcher in a rack with the
supplied rack ears or mount the switcher under a
desk using an Extron MBU 149 1U Enclosure
Under-desk mount kit, part #70-222-01.
Step 2 — Inputs
As applicable to your switcher, connect:
a
Up to 4 or 8 S-video inputs to the
input connectors.
Up to 4 or 8 composite video inputs
to the input connectors.
b
Up to 4 or 8 unbalanced stereo audio
inputs to the input RCA connectors.
Up to 4 or 8 balanced or
unbalanced stereo audio inputs to
the input captive screw connectors.
Step 3 — Outputs
As applicable to your switcher, connect:
a
Up to 4 or 8 S-video or composite
video devices to the output connectors.
b
Up to 4 or 8 unbalanced stereo audio
devices to the output RCA connectors.
Up to 4 or 8 balanced or unbalanced
stereo audio devices to the output
captive screw connectors.
CAUTION
Connect the sleeve to ground. Connecting
the sleeve to a negative (-) terminal will
damage the audio output circuits.
Step 4 — RS-232 Connections
If desired, connect a control system or a computer
to the RS-232 port. See the table below
Step 5 — External Sync
If desired, feed a black burst
(genlock) signal to
the external sync
connectors.
— or —
L R 1
— or —
Step 6 — Connect power
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)
Preset — A configuration that has been stored. One
preset can be assigned to each input and output
button. 16 presets are available via RS-232
control. When a preset is retrieved from memory,
it becomes the current configuration.
Front Panel Features
Power/data/audio LED — Indicates power is applied.
This LED also has two secondary functions:
Serial communication function — The Power/
data/audio LED blinks off and on to indicate
that an IR signal has been received.
Audio level function — In Audio Setup mode,
the Power/data/audio LED lights when the
selected input audio signal is at or above the
reference level and is unlit when the signal is
below the reference level. Adjust the gain until
the LED blinks frequently. If the LED is almost
always lit, blinking off only occasionally, the
level is too high. If the LED is almost always
off, blinking on (lit) only occasionally, the level
is too low.
I/O button (audio/video switchers) selects video
and audio, video, or audio for input selection.
Video and Audio LEDs (audio/video switchers)
indicate whether video and audio, video, or
audio is selected. The Audio LED blinks to
indicate audio is broken away.
Input buttons select an input to tie to an output.
Input LEDs identify the input selected for the tie.
Output buttons select output(s) to tie to an input.
Output LEDs identify output(s) selected for the tie.
Enter button saves configuration changes.
Preset button selects Save Preset mode or Recall
Preset mode, in which a configuration can be
saved as a preset or recalled.
Audio Setup button and LED enable you to view
and/or change the current audio level setting
for each input. Audio Setup is a secondary input
function of the I/O button.
IN
OUT
— or —
1
5
6
9
Pin RS-232 Function
1 — N/C
2 TX Transmit data
3 RX Receive data
4 — N/C
5 Gnd Signal ground
6 — N/C
N/C
N/C
7 —
8 —
—
Hardwired IR 9
Unbalanced Output
Tip
See caution
Sleeve
Tip
See caution
Balanced Output
Tip
Ring
Sleeve (s)
Tip
Ring
L R 1