Datahold
The datahold function locks the
measurent mode and displays the last
reading taken onscreen.
Press the ‘Backlight | HOLD’ button to
toggle the datahold mode on/off. The
datahold symbol will appear on screen
when this setting is on.
Backlight
Press and hold the ‘Backlight | HOLD’
button for 2 second to toggle the screen
backlight on/off.
Switching The Meter On & Off
1. Press the power button to switch the
meter on.
2. Press the power button again to
switch the unit off.
Note:
The unit will automatically switch off after 3 minutes of
inactivity.
Displaying Maximum/Minimum Readings
This function shows the maximum or minimum decibel reading taken
since this mode was selected.
1. Press the ‘MAX | MIN’ button once to
see the maximum reading recorded.
The ‘MAX’ symbol appears onscreen.
2. Press ‘MAX | MIN’ button
again to see the minimum
reading. The ‘MIN’ symbol
appears onscreen.
Note:
No new measurements are taken when the datahold function is
activated while in max. or min. mode. Disable the datahold function to
continue taking measurements.
3. Press the ‘MAX | MIN’ button once more to return to measuring
mode. The ‘MIN’ symbol will disappear.
Fast/Slow Sampling Rate
The fast sampling rate is selected by
default when the unit is switched on.
1. Press the ‘FAST | SLOW’ button to
toggle between the two sampling
rates.
2. CONTROLS
OPERATION
ODSM-130D
DIGITAL SOUND
LEVEL METER
HOLD
SLOW
FAST
MIN
MAX
DIGITAL SOUND
LEVEL METER
HOLD
SLOW
FAST
MIN
MAX
FAST
dBA
MIN
DIGITAL SOUND
LEVEL METER
HOLD
SLOW
FAST
MIN
MAX
FAST
MAX dBA
DIGITAL SOUND
LEVEL METER
HOLD
SLOW
FAST
MIN
MAX
FAST
SLOW
dBA
DIGITAL SOUND
LEVEL METER
HOLD
SLOW
FAST
MIN
MAX
SLOW
H
dBA
DIGITAL SOUND
LEVEL METER
HOLD
SLOW
FAST
MIN
MAX
SLOW
dBA
PRESS
&
HOLD