Extron electronics MVC 121 User Manual page 22

Installation and Operation, cont'd
Tip
Sleeve
Tip
Sleeve
Unbalanced Input
Variable output connector — The balanced/unbalanced stereo
5
output to an amplifier from the 5-pole 3.5 mm captive screw
connector (see the diagrams below) is controlled by the Master
volume control knob on the front panel (see "Front Panel
Features" in this chapter). Adjust the speaker volume by using
the following sequence:
1. Adjust the amplifier's volume down to its minimum
setting.
2. Adjust the Master volume control of the MVC to its default
level (volume = 80 when connecting to an unbalanced
consumer amp, or volume = 86 when connecting to a
balanced professional amp).
Adjust the amplifier's volume to the desired level.
3.
4. Make subsequent volume level adjustments by using the
MVC's Master volume control.
Extron CSR 6 Adapter
Example using the Variable output connected to an
amplified sound system
Tip
NO GROUND HERE
Sleeve (s)
Tip
NO GROUND HERE
Unbalanced Output
CAUTION
2-10 MVC 121 • Installation and Operation
Tip
Ring
Sleeve (s)
Tip
Ring
Balanced Input
Output devices cabled with two RCA male inputs may
be connected to the 5-pole 3.5 mm captive screw
connector using the Extron CSR 6 adapter,
part #26-575-01.
Sleeve (s)
Connect the sleeve to ground (Gnd). Connecting
the sleeve to a negative (-) terminal will damage the
audio output circuits.
Sound System
Tip
Ring
Tip
Ring
Balanced Output