Roland BOSS RT-20 Service Notes page 14

Dec. 2005
3. Knobs Check
1.
Press the right pedal to start the Knobs Check.
fig.03-VR-panel
MODE knob
2.
Rotate the MODE knob in the order of I, II, III, IV, III, II and I, and then
confirm the lighting position of LED in the Virtual Rotor Display moves
as the following picture.
fig.03-VR-mode
I
II
III
VI
RISE TIME knob
3.
When adjusting the RISE TIME knob to MAX, confirm the display of the
Virtual Rotor Display changes.
4.
Confirm there is a feel of clicking at the center position.
14
Other knobs
5.
When rotating the [EFFECT] knob clockwise fully from the MIN position,
confirm the display of the Virtual Rotor Display changes. And when
rotating it fully to the MAX position, confirm the display of the Virtual
Rotor Display changes again.
fig.03-VR-etc
MIN
6.
In the same way, check [DIRECT], [BALANCE], [OVERDRIVE], [SLOW]
and [FAST] in this order.
7.
Confirm there are feels of clicking at the center positions of the
[BALANCE], [SLOW] and [FAST] knobs.
4. DRIVE TYPE Switch Check
1.
Press the right pedal to start the DRIVE TYPE Switch Check.
fig.04-DTYP-panel
2.
Switch the DRIVE TYPE switch on the rear panel to GUITAR, and check
the SLOW/FAST LED lights.
3.
Switch it to KEYBOARD in the same way, and check the EFFECT ON/
OFF LED lights.
4.
Switch it back to GUITAR again, and check the SLOW/FAST LED lights.
RT-20
MAX