HP 3468A - Page 12

y These terminals are used for the
n voltmeter sense leads when mak-
ing 4-wire ohms measurements.
Q SENSE
(a wine)
INPUT
(2 wire)
MAX
SA/250V
FUSE
ee
Additional Feature
Keys
Autozero is a function that allows
you to enable or disable the inter-
nal zero-correction circuitry. Turn-
ing Autozero off increases the
reading rate with a trade-off of
long term stability.
Sac) Pressing the Single Trigger key
trig | causes the 3468A to take one
reading and wait for the next trig-
ger. Note the S TRG annunciator
in the display.
Test/Reset performs an internal self
test then resets the 3468A to its
turn-on state. Any errors in the
self test are noted in the display.
Input
These are the voltmeter and
2-wire ohms input terminals.
A
__-This is the Amps input terminal
and is used with the INPUT LOW
terminal. (3 Amp fuse protected)
The front panel SRO (Service Re-
quest) key is an HP-IL operation
that enables you to manually in-
terrupt the controller. This key is
enabled by setting the SRO mask.
The 3468A HP-IL Address is
displayed in response to the Ad-
dress key.
Another HP-IL operation, Local
returns the 3468A to front panel
control from the REMOTE mode.
The 3468A features total elec-
tronic calibration. The Cal key is
used as part of that procedure.
See the 3468A Service Manual,
-hp- part number 03468-90001.
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