9-2
D i g i t a l 8 • B u s
Service
all the way down? See “Input Sensitivity
Adjustment Procedure” in Chapter 6.
• Is the MIC/LINE switch set to the correct
position?
• Is the channel fader control turned up?
• Has the channel been assigned to an output
bus in the Bus Assignment Section?
• Is the master level control for the selected
output bus turned all the way down?
• Try soloing a channel and listen to the
Control Room Outputs, or use headphones
connected to the Phones Out (with Control
Room selected in the Phones/Cue Mix
Section). Make sure the Solo Level is turned
up in the Studio/Solo Section, and the
Control Room Level is turned up in the
Control Room Section.
Bad Sound
• Is the input connector plugged completely
into the jack?
• Is it loud and distorted? Turn down the
output level on the console.
• Are any of the meters hitting the “OL”
mark? Try turning down the TRIM control
(channels 1–12) or the Digital Trim control
(channels 1–48). Or try turning down the
signal source volume control.
• Solo the signal source and listen to it in the
Control Room Output, or with headphones in
the Phones output. Select PFL SOLO in the
Studio/Solo Section. Make sure the SOLO
LEVEL control is turned up in the Studio/
Solo Section, and the Control Room LEVEL
control is turned up in the Control Room
Section. If the signal sounds bad with PFL
SOLO selected, the problem lies somewhere
before the channel fader, with the source
itself or the input settings on the console. If
the signal sounds okay, the problem lies
somewhere after the channel fader, with the
output settings or the amplifier/speaker
combination after the console.
Noise/Hum
• Check the signal cable between the console
and the power amplifier. Make sure all
connections are secure.
• Make sure signal cables are not routed near
AC cables, power transformers (wall warts),
or other EMI sources.
• Is there a light dimmer or other triac-based
(SCR) device on the same AC circuit as the
console? Use an AC line filter or plug the
console (along with all other audio
equipment) into a different AC circuit.
• If you’re connecting an unbalanced source to
the balanced input using an XLR or TRS
connector, try disconnecting the unbalanced
ground from pin 1 (XLR) or sleeve (TRS).
Summary of Contents for 8-BUS Series
Page 49: ...3 16 D i g i t a l 8 B u s Start Up ...
Page 57: ...4 8 D i g i t a l 8 B u s Connections ...
Page 77: ...5 20 D i g i t a l 8 B u s Preparing for a Session ...
Page 177: ...7 20 D i g i t a l 8 B u s Automation ...
Page 207: ...D 2 D i g i t a l 8 B u s Apogee UV22 ...
Page 219: ...F 4 D i g i t a l 8 B u s Optional I O Cards ...
Page 227: ...H 2 D i g i t a l 8 B u s Upgrading ...
Page 235: ...K 2 D i g i t a l 8 B u s ...
Page 237: ...D i g i t a l 8 B u s ...
Page 239: ...D i g i t a l 8 B u s ...