Denso BHT-700BB-CE Operator's Manual page 37

Step 3 Turning ON the Power
2
Tap the "+" that displays at the calibration
screen in the center with the stylus for
approximately 1 second. Next touch the
center of the "+" each time it moves. (The
"+" mark moves from the center of the
screen to the upper left, lower left, lower
right and upper right, making a total of 5
positions.)
Point
The power cannot be turned OFF by pressing
the power key during touch screen calibration.
Press the power key when calibration is
complete.
Press the ENT key or tap the screen to
3
complete touch screen calibration and
display the data and time setting screen.
Set the date, time and time zone and then
4
tap the OK button.
23