M.VIBRATO INTENSITY CONTROL - Adjusts the intensity of the VIBRATO feature. Turning the control full
N.PILOT LAMP - When the lamp is illuminated, the ‘63 VIBROVERB is receiving power. Should the lamp burn out, turn off the power, unscrew the red jewel and replace the lamp with a type T47 light bulb.
‘63 VIBROVERB FOOTSWITCH FUNCTIONS
A.VIBRATO SWITCH - Push on, push off switch that turns the VIBRATO feature on and off.
B.REVERB SWITCH - Push on, push off switch that turns the REVERB feature on and off.