9
Overloading
Over range
display: OVER
Under range
display: UNDER
DC analogue
signal output
Output
impedance
around
100Ω, 10mV/dB
Has input
terminal
Output
impedance
around
600Ω, 0.707V/
each scale
Has input
terminal
Power (HOLD)
Turn on and off
the Meter and
data holding
LEVEL (AUTO)
Selecting auto
and manual
ranging
A/C (RECALL/
CLR)
A-Weighting and
C-Weighting
selection
RECALL/CLR.
Press to recall and
clear data
FAST/SLOW
(STORE/BL)
Selection of fast
or slow sampling
rate and turn on
and off of display
backlight
Press to store data
MAX/MIN (Auto
ranging)
Selection of
maximum and
minimum value.
Selection of auto
power on and off
MAINTENANCE
This section provides basic maintenance information including battery replacement instruction.
Warning
Do not attempt to repair or service your Meter unless you are qualified to do so
and have the relevant calibration, performance test, and service information.
To avoid electrical shock or damage to the Meter, do not get water inside the
case.
In order not to affect the Meter accuracy or damge to the Meter, do not open the
Meter housing