Galaxy Audio CHECK MATE CM-160 - Manual (Page 6)

Windscreen
If you operate at wind speeds over 10m/sec, install the windscreen
onto the meter’s microphone.
SYMBOL FUNCTION
MAX Maximum value displayed
MIN Minimum value displayed
Over range
Under range
FAST Fast response
SLOW Slow response
dBA A-Weighting
dBC C-Weighting
Range Indicator
Low-Battery
Under range 20dB
AUTO Auto level range selected
Display
Power & Backlight button
The key turns the CM-150 ON or OFF and the backlight ON & OFF.
Press it once to turn on the CM-150.
Press it again for a moment to turn the backlight ON or OFF. .
Press and hold this button for 3 seconds to turn OFF the power.
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