Resetting Access Codes

a) Depress POWER NB/ANL and PROGRAM simultaneously and keep pressed down to the display lit off.
b) Release POWER and keep pressed NB/ANL and PROGRAM down: "codE" flashes in the display, and wait for "codE" disappears.
c) Release NB/ANL and PROGRAM
d) Push MODE one times.
e) Push M1 one times.
f) Push M3 one times.
g) Push PROGRAM one times.
h) Push PROGRAM 4 times.
i) Push POWER