66
Preparations
Sensitivity setting (<Input> menu: Sens, Sensitivity)
Sensor setting
Depending on the input setting described on the preceding page (AC,
DC, CCLD, VP4x), set the “Sens” item for the combinations marked with
a “
” in the table below. EU (Engineering Units) is a unit symbol for
expressing various physical quantities detected by a sensor.
Sens
V
EU
MIC
PICK
SLM
VM
Inp
AC
×
×
DC
×
×
CCLC
×
×
VP4x
×
×
×
×
×
When the “Sens” item is set, the sensor signal units are determined au-
tomatically, as shown in the table below.
Indication
for Sensor
item in
menu
Unit as
shown on
main screen
Scaled unit set
for Sensitivity
item in menu
Value input for Sensitivity
V
EU
EU
V/EU
Set voltage corresponding to
1 EU
MIC
dB
dB
Set microphone sensitivity level
(dB re. 1 V/Pa)
PICK
(CCLD)
m/s
2
mV/(m/s
2
)
Set sensitivity of accelerometer
(with built-in preamplifi er)
PICK
(VP4x)
m/s
2
pC/(m/s
2
)
Set charge sensitivity of accel-
erometer
SLM
dB
dB
Set sound level meter level range
(full-scale value)
VM
dB
dB
Set vibration level meter (VM-53
or similar) level range (full-scale
value)
Summary of Contents for DA-21
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