Crate GX-20R Owner's Manual page 3

GX-20M/R Guitar Amplifier
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1: INPUT: Use this 1/4" jack to connect your
guitar to the amplifier by means of a shielded
instrument cable.
OVERDRIVE CHANNEL: A high gain chan-
nel giving you sounds from a slight edge to
serious overdrive.
2: GAIN: Use this control to adjust the amount
of distortion for the Overdrive channel.
3: LEVEL: Use this control to adjust the out-
put level of the Overdrive channel.
4. OVERDRIVE SELECT: This switch, when
depressed, selects the Overdrive channel.
The Clean channel is selected when this
switch is in the out position.
CLEAN CHANNEL: A normal gain channel
giving you sounds from crystal clean to medi-
um overdrive.
5: LEVEL: Use this control to adjust the out-
put level of the Clean channel.
6: LOW: Use this control to adjust the bass
response of the amplifier. Rotating the control
counterclockwise reduces the low frequency
output. Rotating the control clockwise increas-
es the low frequency output. It may be neces-
sary to reduce the Low frequency output at
higher volume levels.
7: MID: Use this control to adjust the
midrange frequency output of the amplifier.
Rotating the control counterclockwise
reduces the midrange frequency output.
Rotating the control clockwise increases the
midrange frequency output.
8: HIGH: Use this control to adjust the high
frequency response of the amplifier. Rotating
the control counterclockwise reduces the high
frequency output. Rotating the control clock-
wise increases the high frequency output.
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ENGLISH
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9: REVERB LEVEL: Use this control to
adjust the amount of reverb applied to the
output signal.
10. CHORUS: This switch, when depressed,
applies the built-in chorus effect to the output
signal.
11: HEADPHONES: Use this jack to connect
headphones to the amplifier. The internal
speaker is disconnected when this jack is
used. A line level signal can also be obtained
from this jack for recording, etc.
CAUTION: To avoid possible damage to
your hearing, so not use headphones for
extended periods of time at extremely loud
levels.
12: EXTERNAL SPEAKER: Use this jack to
connect the amplifier to an external speaker.
The internal speaker is disconnected when
this jack is used. The impedance of the exter-
nal speaker must be 4 ohms or greater.
WARNING: Do not attempt to use head-
phones in the Speaker jack! Permanent
hearing damage could result!
13: ON LED: This LED illuminates when the
amplifier is turned on.
14: POWER: Use this switch to turn the
amplifier on (top of the switch depressed) and
off (bottom of the switch depressed).
15: POWER CORD (rear panel, not
shown): The grounded power cord should
only be plugged into a grounded power outlet
that meets all applicable electrical codes and
is compatible with the voltage, power, and fre-
quency requirements stated on the rear panel.
Do not attempt to defeat the safety ground
connection.
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