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SECTION 3
Operation
+
m
DISPLAY Keys:
The following
keys are used to select an alternate func-
tion parameter
(Q, D, ESR or G) for the L or C function.
The reading for the function parameter
is shown on the
m
DISPLAY.
The function parameter keys are not operational with the
AUTO function feature enabled.
Pressing
one of these
keys with AUTO enabled results in "Err 13".
Q -
Pressing this key displays the quality factor (Q) for
the L or C measurement.
D -
Pressing this key displays the dissipation factor (D)
for the L or C measurement.
ESR -
Pressing this key displays the equivalent
series
resistance
(ESR) for the L or C measurement.
G -
Pressing this key displays the conductance
(G) for
the L or C measurement.
AUTO/GPIB
Key:
This dual function key is used to select the AUTO func-
tion feature, or to check and/or change the GPIB ad-
dress/delimiter.
AUTO -
Pressing
and immediately
releasing
this key
enables the AUTO function feature. With AUTO function
enabled,
the instrument
determines
the type of device
connected
to its input and automatically
selects the ap-
propriate measurement
function. AUTO function is dis-
abled by pressing one of the function selection keys (L, C
or IZI-0).
GPIB -
By pressing and holding in this key for approxi-
mately three seconds, the current GPIB address and de-
limiter will be displayed on them
DISPLAY.
The address and delimiter
values are separated
by the
decimal point. Valid address values are 0 to 30. Delimiter
values can be 0 (for <CR><LF>) or 1 (for <CR> only). Use
the I Z I - 0 key and ESR key to change the address value,
and use the G key to toggle the delimiter.
The displayed
address and delimiter
values can be en-
tered by again pressing
the GPIB key. The instrument
will return to the normal measurement
display state.
3-4
+
CKT MODE Keys:
The following keys are used to select the equivalent
cir-
cuit:
AUTO -With
AUTO CKT MODE enabled, the equiva-
lent circuit (SER or PAR) will automatically
be selected
(enabled).
The AUTO CKT MODE is automatically
enabled if the
AUTO function feature is enabled. With AUTO function
enabled, AUTO CKT MODE cannot be disabled.
With
AUTO function disabled, ALIT.0 CKT MODE can be dis-
abled by pressing the SER or PAR key.
SER -
This key is only operational
if AUTO function is
disabled. When operational,
pressing this key will dis-
able AUTO CKT MODE (if enabled), and select (enable)
the series (SER) circuit mode.
PAR -
This key is only operational
if AUTO function is
disabled. When operational,
pressing this key will dis-
able AUTO CKT MODE (if enabled), and select (enable)
the parallel (PAR) circuit mode.
ZERO Keys:
Zero correction
measures
the residual
impedance
and
stray admittance, and then automatically
corrects the dis-
played reading
caused by these errors. The following
keys are used to perform zero correction:
OPEN -To
perform zero correction, open the input and
press the OPEN key.
SHORT -
To perform zero correction,
short the input
and press the SHORT key.
LEVEL (OPEN) Keys:
These keys are used to select the rms voltage level of the
measurement
signal.
50mV -
Press this key to set the level of the measure-
ment signal to 50mV rms.
1V -
Press this key to set the level of the measurement
signal to 1V rms.
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