Extron Electronics VTG 300_300R User Guide Rev. E - Manual (Page 11)

Example Applications
Figure 1 shows examples using the video and audio testing features of the VTG.
AUDIO
3
2
1
RGB/Y,R-Y ,R-Y S-VIDEO COMPOSITE VIDEO
VTG 300R
VIDEO & AUDIO TEST GENERATOR
AUDIO
SIGNAL
TEST
PATTERNS
RANGE
OUTPUT RATE
RATE MENU
NEXT
POWER
SELECT
LEVEL
FREQUENCY
VIDEO
P.NOISE
W. NOISE
SINE
SQUARE
POLARITY
SWEEP
CROSSHATCH
H. PATTERN
COLOR BARS
GRAYSCALE
ALT / MULTI
WHITE FIELD
PC
VIDEO
HDTV
16:9 HR Extron
VTG 300R
Video and Audio Test Generator
Front view
Top view
Bottom view
Extron 15 pin HD
VGA Cable
Extron
MLS 406MA
MediaLink
Switcher
RS-232/MLC/IR INPUT 4
AUDIO INPUTS
LINE LEVEL MONO AUDIO
AUDIO Tx Rx IR 12V
A B C
LINEOUT PREAMP
AUX/MIX ADJUST -42dB TO +24dB
L
R
L
R
L
R
1 2 3 INPUTS OUTPUTS
VIDEO H V
B G R Y
1 2 3
INPUTS
MONITOR OUT
4 5
6
C
100-240V
1.0A MAX.
50-60Hz AMPLIFIED OUTPUT 20 WATTS MONO
DIRECT
XFMR COM 4/8 ohm 100V 70V
EXTRON VTG 300R
SCANS 15-127KhZ
70V Mono Distribution
Figure 1. Using the Video and Audio Testing Features
Connecting Audio Outputs
The VTG has three types of audio output connectors: an RCA jack, a 3-pin XLR connector,
and a 3.5 mm mini stereo phone jack.
Output 1
Tip (+)
Sleeve ( )
Audio Plugs.eps
RCA Connector
Unbalanced mono audio is output from this connector.
Wire the RCA connector as shown here.
Output 2
Balanced mono audio is output from this connector. Wire the female XLR
2
3
1
connector as shown here.
3-pin XLR Pin Configuration
Application Pin 1 Pin 2 Pin 3
Balanced audio (std.) gnd (shield)
(on sending female connector)
positive (+)
(hot/live)
negative (-)
(cold/return)
Output 3
Sleeve ( )
Ring (R)
Tip (L)
Unbalanced mono audio on both left and right channels
is output from this connector. Wire the mini phono plug
as shown here (see the
Output 3 submenu section on
page 8).
VTG 300/300R • Operation 5