7
Panel descriptions
* All product names mentioned in this document are trademarks
or registered trademarks of their respective owners, and are not
related to Roland Corporation.
In this manual, these names are used as appropriate ways to
indicate sounds that are simulated using COSM technology.
6. GAIN Knob
Adjusts the LEAD channel’s distortion level.
7. VOLUME Knob
Adjusts the LEAD channel volume.
8. BASS Knob
Adjusts the tone quality of the lower range.
9. MIDDLE Knob
Adjusts the tone quality of the midrange.
10
.TREBLE Knob
Adjusts the tone quality of the upper range.
* Because COSM faithfully models the special features and
characteristics of a variety of amplifiers; no sound will be
produced when BASS, MIDDLE, and TREBLE knob are all
set to 0 while the Type switch is set to BLACK PANEL or
TWEED.
11
.EFX (Effects) Knob
Turn this knob to chorus, flanger, phaser, or tremolo to
select the corresponding effect. Turn the knob to adjust
the amount of effect applied.
The ON indicator lights up when EFX is turned on, and
goes out when EFX is turned off. You can also turn EFX
on and off using optional footswitches (BOSS FS-5U or
FS-6).
* Graduations for CHORUS, FLANGER, PHASER, TREMOLO
on a panel are for reference. Be sure to check the sound as you
adjust the effects.
CHORUS
In this effect, a slightly detuned
sound is added to the original
sound, giving the sound greater
breadth and fullness.
FLANGER
This creates a flanging effect that
creates a sort of spinning sensation
with the sound.
PHASER
This effect adds a variable
phaseshifted signal to the direct
sound, giving the sound a swirling
character.
TREMOLO
Tremolo is an effect that creates a
cyclic change in volume.
12
. DELAY/REVERB Knob
Turn this knob to DELAY or REVERB to switch to that
effect.Turn the knob to adjust the amount of effect
applied.
* Graduations for DELAY, REVERB on a panel are for
reference.
Be sure to check the sound as you adjust the effects.
DELAY
Turn the knob to change the time
and amount of delay effects.
REVERB
Turn the knob to adjust the reverb
level.
13.
POWER SQUEEZER Switch
The switch lights in red when the power squeezer
function is on; the switch is unlit when the power
squeezer is off.
Switching on the Power Squeezer function allows you to
reduce the amp’s output to 2 watts.
Switching this on allows you to produce a sound that
preserves the same tone and balance as when the amp is
played at maximum volume, but at an output of 2 watts,
for volume levels that are more suitable for the average
home.
* The Power Squeezer function affects only sounds input
through the INPUT jack. It has no effect on sounds input via
the AUX IN jack.
EQUALIZER
EFX (Effects)
DELAY/REVERB
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