Specifications
8
Selecting a program
1.  Check whether you are in Program select mode.
In Program select mode, the Tuner 
#
 LED and 
  LED will light 
up and the EDIT LED will turn o.
When in Edit mode, the EDIT LED will light up and it will 
turn o when the EDIT buon is pressed to switch to Program 
select mode.
2. 
Select a genre with the CATEGORY selector and press the 
Program UP or Program DOWN pedal to select the program.
The program/value display shows the number of the program 
that you selected.
3.  Adjust the master volume as necessary.
 )
Page 11 “Seing the type of device that you’ll be connecting 
to the OUTPUT/PHONES jack and master volume  - [GBL] 
(GLOBAL)”.
Bypass and Mute
Bypass  (which turns  o all eects including  noise  reduction) 
and Mute (which mutes the StompLabs output) are convenient 
functions to use while you’re adjusting your guitar amp, tuning 
during a live performance, or switching guitars. Here’s how to 
use Bypass or Mute.
Bypassing the StompLab
Simultaneously  press the Program UP and  Program  DOWN 
pedals; all eects will be bypassed. At this time, the program/
value display will indicate “ – – ”.
Muting the StompLab
Simultaneously press and hold down the Program UP and Program 
DOWN pedals for about one second and the output will be muted. 
At this time, the program/value display will indicate “ _ _ ”.
When bypassed  or muted, the Auto  Chromatic Tuner will  be 
active. To cancel the bypass or mute function, press the Program 
UP or Program DOWN pedal (this will not change the program). 
Tuner
The StompLab has a built-in Auto Chromatic Tuner.
You can calibrate the reference pitch (the note “A”) of the tuner 
in a range of 438Hz–445Hz.
Tuning procedure
1. 
The Auto Chromatic Tuner will be activated when the StompLab 
is bypassed or muted.
 If  you  want to  tune  silently,  such  as during a  live 
performance, simply mute the StompLab.
2.  Play a note on your guitar and the program/value display will 
indicate the name of the closest note.
Note names are indicated as follows.
C C# D D# E F F# G G# A A# B
Note name
Display
3. 
If your guitar is sharp (pitch too high), the Tuner # LED will light 
up. If your guitar is at (pitch too low), the Tuner 
 LED will 
light up. In either case, the brightness of the LEDs will indicate 










