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DIMMING THE DISPLAY
To dim the display, hold down
PWR
for 2 seconds. The detector
displays
DIM
, then the display dims.
To make the display black out, hold down
PWR
for 2 more sec-
onds. The detector displays
DARK
. The display dims when it is
not detecting a signal, and blacks out entirely while it is receiv-
ing a signal and for 20 seconds after the signal.
Hold down
PWR
for 2 more seconds
to restore the display to
full brightness.