Fender RUMBLE LT25 Manual Del Usaurio página 9

USING THE TAP BUTTON USING THE TAP BUTTON
The TAP LED blinks with the tempo of the delay time
parameter. To set a new tap tempo; either scroll to the time
parameter and use the ENCODER to change the value, or
press the TAP BUTTON at the desired tempo (at least twice).
ECHO
LEVEL 5.5
TIME 400 ms
FEEDBACK 3.2
WOW 5.5
Press and hold the TAP BUTTON for quick-access of the
built-in TUNER.
TUNER
A