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Model 6487 User's Manual
4 Range keys
AUTO
5 Handle
Pull out and rotate to desired position.
6 VOLTAGE SOURCE OPERATE indicator
This indicator will turn on when the voltage source is in operate (voltage source output turned on). It
will also turn on for about 0.7 sec at power-on to indicate that it is functional.
WARNING
7 Display annunciators
* (asterisk)
AUTO
BUFFER
ERR
FAST
FILT
LSTN
MATH
MED
REL
REM
SLOW
SRQ
STAT
TALK
TIMER
TRIG
MON
SCAN
OCOMP
Use to select the next higher measurement range. Also use to modify the upper auto-
range limit.
Use to select the next lower measurement range. Also use to modify the lower auto-
range limit.
Enables/disables autorange.
Hazardous voltage may be present on the rear panel V-SOURCE
OUTPUT terminals when the operate indicator is on.
Readings being stored in buffer.
(more)
Indicates additional selections are available.
Autorange enabled.
Recalling readings stored in buffer.
Questionable reading or invalid cal step.
Fast (0.1 PLC) reading rate selected.
MEDIAN and/or AVERAGE filter enabled (also DAMPING enabled).
Instrument addressed to listen over GPIB.
mX+b, m/X+b, or log10 calculation enabled.
Medium (1 PLC) reading rate selected.
Relative enabled for present measurement function.
Instrument in GPIB remote mode.
Slow reading rate selected; 6 PLC for 60Hz or 5 PLC for 50Hz.
Service request over GPIB.
Displaying buffer statistics.
Instrument addressed to talk over GPIB bus.
Timer controlled triggering in use.
External triggering (GPIB or trigger link) selected.
Zero correct enabled.
Voltage sweep armed and ready to run.
Voltage source in compliance.
Getting Started
1-9
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