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I N S T R U C T I O N M A N U A L • M O D E L H 5 2 0 / H 5 4 0
7. TEST key which can be used to test the actual power output (watts). When
this key is pressed, the ultrasonics are activated and will remain on (cycle)
for 5 seconds. The red LED in the upper left corner lights up accordingly
during the cycle. The number of watts will be displayed on the LCD screen
and a line will display along the bar graph on the bottom of the LCD screen
which will reflect the percentage of power output.
8. LCD SCREEN which displays various settings, parameters and prompts
as detailed on the following pages.
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