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17: ON LED: This LED will illuminate when power is applied to the amplifier.
18: POWER: Use this switch to turn the amplifier on and off.
19: AC LINE CORD: (Rear panel, not shown:) This grounded power cord is to be plugged into a ground-
ed power outlet, wired to current electric codes and compatible with voltage, power, and frequency require-
ments stated on the rear panel. Do not attempt to defeat the safety ground connection.
20: FUSE: (Rear panel, not shown:) The fuse protects the amplifier from damages caused by a faulty AC
power source and/or other problems. If the fuse opens, replace it ONLY with the same size and type. If
fuses continue to fail, check the AC source – if the source is okay, contact your Crate dealer for service
information.
21: CHANNEL SELECT / GAIN FOOTSWITCH JACK: (Rear panel, not shown:) Use this jack to connect
the stereo 1/4” plug of the supplied three-button footswitch for remote control of channel selection and gain
selection.
22: REVERB FOOTSWITCH JACK: (Rear panel, not shown:) Use this jack to connect the mono 1/4” plug
of the supplied three-button footswitch for remote control of reverb on and off.
CONNECTING TO THE INSERT JACK:
The Insert jack (#15) allows
you to patch external effects
into the amplifier just prior
to its power amp stage. Use
Crate’s STP201, STP202 or
SP203 stereo-to-mono Y
cord or an adapter such as
Crate’s YPP117 and two
1/4” mono signal cables to
connect the effect as shown
to the immediate right.
TIP
RING
SLEEVE
RETURN
SEND
GROUND
Stereo-to-mono Y-cord:
to Insert
jack
to Insert
jack
(STP201, 3'
STP202, 6'
STP203, 9')
(YPP117)
(1/4"-TO-1/4"
MONO SHIELDED
CABLES)
to
effect
"OUT"
jack
to
effect
"IN"
jack
External Effect
TIP
RING
SLEEVE
Y-adapter and 2 cables:
External Effect
RING
RING
TIP
TIP
to
effect
"OUT"
jack
to
effect
"IN"
jack