
C-PRO NANO HARDWARE MANUAL
Page 21
The user interface has a 7 segment, 4 digit display (plus decimal point), 6 icons, and the user mode is achieved
using 4 keys.
Display
Number of digits
4
Colour
Red
Summer icon
Colour
Red
Winter icon
Colour
Red
Compressor icon
Colour
Red
Pump icon
Colour
Red
Defrost icon
Colour
Red
Alarm icon
Colour
Red
Keys
Number of keys
4
Set / enter key
Normal pressing
ENTER (confirms the value/runs the
command)
Pressed for approx. 3
seconds
Accesses programming parameters
On-Off/esc key
Normal pressing
ESC (cancels the value/returns to the
previous menu)
Pressed for approx. 3
seconds
Powers the unit on/off
Up key
Normal pressing
UP
Secondary function
Programmable
Down key
Normal pressing
DOWN
Secondary function
Programmable
Esc+enter keys
Pressed for approx. 3
seconds
Accesses the second level programming
parameters
Up+down key
Pressed for approx. 3
seconds
Displays device/firmware version, revision
information