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3.
When the ENTER switch is pressed, the power indicator (orange) will turn on, and the
judgment indicator (green) and the judgment indicator (red) will flash alternately.
4.
Once the transition to direction change mode is complete, the three indicators on the
checker unit will turn on alternately. The power indicator (orange) will flash. In
addition, the battery level indicator (green) for the SM-EW79A will remain turned on.
Indicates the left ST-7970
switch condition
(Orange)
turns on
The display
changes every
three seconds.
(Orange)
turns on
flash
alternately
Indicates the right ST-7970
switch condition
13
Transition to
direction change
mode in progress
Turned off
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