DigiTech Distortion Factory DF-7 Owner's Manual page 21

Mode Three: Dual Amp Out - Stereo - (THREE FLASHES)
Battery Power Use:
1. Press and hold the pedal switch.
2. Insert a 1/4" guitar cable into the
input.The LED will light solid for
approximately one second and then
turn off.
3. While holding the pedal switch, wait
for the Indicator LED to flash three
times.
4. Release the pedal switch.
(Continuing to hold the pedal switch
will cycle through one, two, and
three flashes.)
Note: Refer to the Stereo Spectrum Selection section for Mode 3 Stereo
Spectrum selection.
Power Supply Use:
1. Press and hold the pedal switch.
2. Connect the power supply to the
power jack on the rear of the pedal
chassis.The indicator LED will light
solid for approximately one second
and then turn off.
3. While holding the pedal switch, wait
for the Indicator LED to flash three
times.
4. Release the pedal switch.
(Continuing to hold the pedal switch
will cycle through one, two, and
three flashes.)