Bypassing the effects
To bypass the effects section entirely, hold down both the Program Up and Program Down buttons – or press both footswitches – for less than half a second. The screen will read by (
) to indicate that the effects have been bypassed.
You may now control the amplifier’s volume with the volume knob. Turning any other knob restores the effects.
Using the built-in tuner
Press both the Program Up and Program Down buttons – or press both footswitches at the same time – for more than half a second to enter both Bypass and Mute mode.
Play the open string you wish to tune. Use the following guide when tuning:
Visual Guide to Tuning |
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The bottom four segments | Low | |
rotate counterclockwise if pitch |
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is low. The top four rotate |
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clockwise if pitch is high. An 8 |
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means pitch is in tune. |
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The twelve possible pitches (a decimal point indicates a sharp):
High In tune
= no pitch detected
Tuning to a pitch other than A=440
If you turn the VALUE knob while using the tuner, the display shows you the setting for the Coolfire’s pitch reference, which is set to 440Hz (shown as 
) for the A note above middle C. The possible range of values for this setting is 35 to 45, which represents 435Hz to 445Hz.
When you turn the Coolfire on and off again, the reference pitch is reset to 440Hz.
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