Amp tone, and volume
Program selection
Amp selection
Input level switch
Play mode
Play mode is the mode in which you will normally
use the PX4B.
Program
1.Selecting a program
name
You can choose from 50 user programs
(U01...U50) and 50 preset programs (P01...P50).
Program
Use the L/M buttons to select a program. Pro-
number
grams can be selected even when you are in
Set the
Rhythm mode, AUX Pitch mode, or Phrase Trainer
delay time
mode (except while recording).
Master level
2.Master level
adjustment
When the MASTER icon is lit, the value graph
will indicate the master level.
When you turn the Value dial to adjust the mas-
Power /Backlight
switch
ter level, the master level value will be shown in
the program number / value display for several
seconds. The master level is remembered even
when the power is turned off.
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