Watts BT DP-01 Guía De Usuario página 16

Note:
You can customise your program as you want, See
the next part "Working mode definition" chapter
"Program" for more explanation.
Curent stage
of the program
At any time, when the backlight is extinct, press the
(OK) key to lit-up the backlight,
and then press another time the (OK) key to show
the current setting temperature
Curent time
16
Program
followed