Fender MUSTANG LT25 Quick Start Manual page 7

ADD / REMOVE EFFECT ADD / REMOVE EFFECT
In the PRESET EDITING SCREEN, solid lines indicate
active effects, and dashed lines indicate empty effects
categories. To add an effect, turn the ENCODER to highlight
the desired effect category and press to enter the effect.
01 FENDER C...
AMPLIFIER
TWIN CLEAN
STOMP MOD
DELAY REV
PRESS
The effect type will read NONE if no effect is present. Turn
the ENCODER to select and add a new effect. To remove an
effect, select and press the effect type at the top of the
DISPLAY and turn the ENCODER until the field reads NONE.
NONE
ROTATE