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The Electronic Tuner:
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21. ELECTRONIC TUNER (top panel): The electronic tuner is active whenever the amplifier is turned on, pro-
viding constant, “real-time” tuning. The bottom row of LEDs indicate which note (string) is being tuned. The top
row of LEDs provides directional queues to facilitate quick and precise tuning of your instrument. The indicated
note (string) is properly tuned when only the center LED is illuminated.
21
GLX65/120/212
Guitar Amplifier with
DSP
& ChannelTracking
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The Rear Panel:
22: FUSE: 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.
23: AC LINE CORD: This grounded power cord is to be plugged into a grounded power outlet, wired
to current electrical codes and compatible with the voltage, power, and frequency requirements stat-
ed on the rear panel. Do not attempt to defeat the safety ground connection.
24: CLEAN/SOLO/RHYTHM FOOTSWITCH JACK: Use this jack to connect the 1/4” stereo plug on
the footswitch cable to the three-button footswitch (supplied). This allows you to remotely switch
between the Clean and Distortion channels and between the Solo and the Rhythm channels.
25: DSP FOOTSWITCH JACK: Use this jack to connect the 1/4” mono plug on the footswitch cable
to the three-button footswitch (supplied). This allows you to remotely turn the DSP function on and off.
26. EXTENSION SPEAKER: Use this jack to connect the amplifier to an external speaker cabinet.
This jack is wired in series with the internal speaker(s) which remain active when an extension
speaker is connected.
27. EFFECTS RETURN: Use this jack to connect the signal from an external effects device to the amplifier.
28. EFFECTS SEND: Use this jack to connect the signal from the amplifier to an external effects
device for processing.