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Front Panel Controls - U-sound OP 50 Instruction Manual

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Front panel controls.

POWER
- Switch for turning on the ampli er.
STANDBY
-
The toggle switching of the anode voltage.
Turns on 5-15 minutes after turning on the POWER toggle switch.
PRESENCE
- Presence adjustment. Works on all channels.
BASS
- Bass control for channels and
MID
- Middle control for channels and
TREBLE
- Treble control for channels and
MASTER
- Volume control for channels and
GAIN
- Gain control for channels and
FAT
- Toggle switch into a "fat" mode for the channels and
SAT
- Add gain, compression and saturation. This is a heavier tone.
It is normal for the volume level to drop with this switch engaged. Compensate with the amp's
Master volumes.
JTM
- Gain structure switch provides three choices of overall gain of the and
HB - B - CL
- A toggle switch for switching ampli er channels.
The
When using FootSwitch (rear panel socket) toggle switch does not function.
BASS
- Bass control for channel
TREBLE
- Treble control for channel
VOLUME
- Volume control for channel
GAIN
- Gain control for channel
INPUT
- Guitar input.
CH
- Selected channel indicator.
Green - channel CLEAN -
Blue - channel BROWN SOUND -
Red - HIGH GAIN -
B
B
B
B
CH
indicator shows which the channel is currently on.
CLEAN
CLEAN
CLEAN
CL
B
HB
HB
.
HB
.
HB
.
B
HB
.
HB
.
B
.
.
CLEAN
.
.
-3-
HB
.
B
HB
channels.

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