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21)
(a))(i9
CIRCUIT MODE Select Key and Indicators:
This key selects the measurement circuit
mode to be used during measurement. The
selected circuit mode is indicated by the
corresponding LED lamp.
AUTO :
Automatically
selects
the
equivalent
circuit
(parallel
or
series) most appropriate for the
DUT's
value.
When
LC | Z |
RANGE (g) is set to the lOOQ
range or lower, circuit mode is
set
to
.
When
LC I Z i
RANGE
@ is set to the Ikfi
range or higher, circuit mode is
set to ttrC>Lo.
:
Selects equivalent series circuit.
<HlS> :
Selects
equivalent
parallel
circuit.
DISPLAY
A
Function
Select
Key
and
Indicators:
This key,
(D , selects the
measurement
parameter for display on DISPLAY A (J).
The selected parameter is indicated by the
corresponding LED lamp.
Pressing this key
shifts
the
selected
parameter
in
a
top-to-bottom
sequence.
The
selectable
parameters are as follows:
L :
Measures inductance and--depending on
the setting of DISPLAY B Function
(15)--D (dissipation factor), Q (quality
factor), or
ESR/G (equivalent series
resistance
or
equivalent
parallel
conductance).
C: Measures
capacitance
and--depending
on the setting of DISPLAY B Function
(Q—D (Dissipation factor), Q (quality
factor),
or
ESR/G (equivalent series
resistance
or
equivalent
parallel
conductance).
HIGH SPEED L(lMHz):
Measures
only
inductance
at
IMHz,
which is set automatically when this
function is selected.
HIGH SPEED C (IMHz):
Measures only capacitance at
IMHz,
which is set automatically when this
function is selected.
[ Z [ - 6 (deg):
Measures
impedance
magnitude
and
phase angle. The results are displayed
on DISPLAY A ( | Z 1 ) and DISPLAY B
(9) to provide a polar representation
(I Z i L 0) of the DUT's impedance.
Figure 3-1. Front Panel Features (Sheet 5 of 6).
3-6
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