5. Display Layout
: Bluetooth symbol
: Low battery indicate
: Timing power off symbol
MAX:
Maximum hold
MIN:
Minimum hold
Two smaller digits at upper left of display:
Minimum range
Three smaller digits at upper right of display:
Maximum range
UNDER:
under range
OVER:
over range
dBA, dBC:
A-weighting, C-weighting
AUTO:
Auto range selection
HOLD:
Data hold function
Four larger digits in middle of display:
Measurement data
Measurement Operation
·
Turn on the instrument by pressing power on/off button.
·
Press button "RANGE" and select suitable measurement range based on no "UNDER" or
"OVER" display on LCD.
·
Select 'dBA' for general noise sound level and 'dBC' for measuring sound level of acoustic
material.
·
Hold the instrument in hand or fix it on tripod, take measure at a distance of 1-1.5m
between microphone and source.
Data Hold
Press hold button to freeze the readings and "HOLD" symbol displays LCD. Press hold
button again to return normal measurement.
MAX/MIN reading
·
Press MAX/MIN button for the first time, the instrument will enter Max tracking mode,
the tracked max reading will display on the LCD.
·
Press MAX/MIN button for the second time, the instrument will enter Min tracking mode,
the tracked min reading will display on the LCD.
·
Press MAX/MIN button for the third time, the current reading will display on the LCD.
Bluetooth communication
Download “Meterbox Pro” on iOS & Android devices to use bluetooth feature. Hold the
Bluetooth button to activate Bluetooth function, it communicates after connecting with the
software. The instrument can transmit measured dates and instrument status to software
and the software can control the instrument.
Battery Replacement
The instrument will automatically turn off in order to lengthen the battery working life.
When symbol appears on the LCD. Please replace the old battery with new ones.
·
Open the battery compartment with a suitable screwdriver and replace 9V battery.
·
Mount the battery compartment again.
RANGE/(A/C) button:
Press to switch range gear; hold to switch unit.
button:
Hold to activate or deactivate Bluetooth.
HOLD/ if button:
Press to hold the current data; hold to activate or deactivate backlight
MAX/MIN button:
Press to record Maximum, Minimum
Note:
MAX/MIN button, range button and A/C button will be deactivated when hold the
current readings and the instrument will exit MAX/MIN recording function when switch range
gear
