US/50 User's Guide 7
Power Section
1. POWER/TIMER: Controls the main ac power as well as the timer for treatment.
Turn the Power/Timer knob clockwise past the 10 minute mark and then set it
to the desired treatment time. The ac power will shut off and a bell will sound
when treatment is completed. To initiate early shut off, turn the Power/Timer
knob counterclockwise to the Off position. The ac power will shut off and a
bell will sound.
2. INTERNAL POWER: (Modality Selections): Controls the secondary ac power
for each of the two modality sections:
Ultrasound
Stimulator
Combination (Ultrasound and Stimulator modalities)
The Ultrasound On indicator light (located above the upper left corner of the
ultrasound meter), and the Stimulator On indicator light (located in the upper
left corner of the Low Volt AC Stimulator section), will independently illuminate
when each modality is activated.
Combination provides for ultrasound and low volt ac stimulation output to
be applied simultaneously through the ultrasound transducer. When the
Combination switch is not activated, only ultrasonic energy is obtained through
the transducer even though the stimulator may still be active.
The Combination indicator light (located above the upper middle of the
ultrasound meter) will illuminate if Ultrasound, Stimulator, and Combination
are all activated.
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