User Manual

11
6.5. Manual Mute Terminal Connection
Closing between the manual mute (+) and (–)
terminals causes the Mute Receive inputs to
be muted (the inputs set to be muted).
MANUAL
MUTE
MIC
HC+− E
Short-circuit current:
Open voltage:
1 mA or less
15 V or less
6.4.2. MOH output connection
The MOH output is 0 dB*, 600 Ω, and balanced (transformer–isolated).
* 0 dB = 1 V
MOH OUT (ZONE2)
600Ω
HCE
MOH OUT (ZONE2)
Note
When connecting equpment with
unbalanced input, short-circuit the “C”
and “E” lines as shown at right.
600Ω
HCE
C
E
H
E
H
6.4.3. Line output connection
The Line output is 0 dB*, 600 Ω, and unbalanced.
* 0 dB = 1 V
LINE OUT
600Ω
HE
E
H
6.6. Remote Volume Control Connection
The mixed output level at post-input volume controls can be
adjusted with an external remote volume control.
Note that individual input volume control positions limit the
maximum output level adjustable with the remote volume
control. Be sure to avoid turning down all input volume
controls.
Notes
• Negative terminal should not be grounded. Never connect
it to the unit's chassis nor other circuit ground.
• Only a volume control can be connected to this terminal.
REMOTE
VOLUME
+−
Volume control
10 kΩ (linear-taper)