Hitachi OPTIGEN AP 720STM - Manual (Page 4)

3
1 Operation Key
Display:
Liquid Crystal Panel
Operation Key:
Only the touch panel key in the shaded field is executable. Press the Operation Key
to execute the function. See Figure 1.
Numerical Value Input Key:
Numerical value can be registered by ‘ENT’ key. If the value entered is out of the
defined range, beep sounds will be on for 3 times. ‘ESC’ key is used for returning
to the original value. See Figure 2.
(Figure 1)
(Figure 2)