6
The Control Panel
The Subtv Human-Machine Interface consists of a graphical
display screen and a four keys keyboard:
NEXT STEP button - Used to advance to the next
screen or programming step
SHIFT button - Used to sequentially change the focus
between the items of the current screen
PLUSE / ON button - Used to increase numeric data,
set on operation days and start manual operation
MINUS / OFF button - Used to decrease numeric data,
set off operation days, and stop manual operation
