Sonics VCX750 (Serial No."Y through "AB")" - Manual (Page 14)

3. Depress the START key.
4. Using the ▲ or ▼ keys, increase or decrease the amplitude as required.
TIMER: In the pulsed mode the processing time will be different from the elapsed time
because the processing time function monitors and controls only the ON portion of
the duty cycle. For example, for 1 hour processing time, the elapsed time will be 2
hours if the ON and OFF cycle are set for 1 second. To set the processing time, press
the TIMER key.
The screen will display:
Using the numeric keys, set the
processing time as required:
Press the ENTER/REVIEW key. The
screen will display:
11
TIME 5:30:25 TEMP __ __°C
PULSE _ _ _ _ AMPL 40%
Time Setting
Hrs:__ Min:_ _ Sec:_ _
Time Setting
Hrs: 5 Min: 30 Sec: 25
CAUTION
When working with a ¾" (19 mm) probe or
extender, do not set the amplitude above 70.
With a 1" (25 mm) probe, do not operate
continuously with the amplitude set above 90.