42
SV 200A User Manual
•
Calibration
, which enables performing calibration
By Measurement
using a sound calibrator and switching on/off the
Auto Calibration
.
•
Position
System Check
, which enables checking the measurement
path using the built-in electrostatic actuator. The System Check
screen shows the result of the previous system check:
o
calculated
Factor
,
o
measured
Level
of the actuator signal,
o
Result
of the checking:
OK
(if
Factor
is within
±1 dB) or
Failed
,
o
Background
noise before (
- pre
) and after (
- post
) the
measurement,
o
Date
and
Time
of the system check performance.
After pressing the
key the instrument starts measurement and
measures:
o
background noise level (
- pre
) for 3 seconds,
o
level of actuator (
Level
) during next 5 seconds and
o
background noise level (
- post
) during next 3 seconds.
The result of the system check will be displayed after the measurement:
“
Test OK!
” or “
Test Failed!
”
In the
Calibration
list:
•
Position
By Measurement
allows to:
o
view information about the last calibration:
Level
of the
calibration signal, calibration
Factor
value, calibration
Type
(
Factory
,
Manual
,
Auto
or
Remote
), calibration
Date
and
Time
;
The
Factory
calibration is the default calibration and you can always
come back to it after
Factory Settings
command.
Other calibration type is defined automatically depending on how the last
calibration was performed.
