User manual

1-14 Getting Started Model 6485 and 6487 User’s Manual
OPER Toggles the Vsource state (the Vsource state is displayed by an indicator). (Configured
using the CONFIG >> OPER key sequence.)
V-SOURCE Increments voltage source value
V-SOURCE Decrements voltage source value
3 Operation keys
COMM Use to control and modify communication properties (GPIB or RS-232).
DISP Use to turn display on/off.
TRIG Trigger measurement(s). Takes 6487 out of idle state. Use also to configure trigger
properties.
LIMIT Use to perform and create limit tests.
DIGITS Use to set display resolution.
RATE Use to select measurement rate.
and 䊳 Use to control cursor position for making selections or editing values.
SAVE Use to save present setup to a memory location.
SETUP Use to restore setup to either GPIB or factory defaults, or to a user memory location.
Also use to modify properties of power on defaults to either GPIB or factory defaults,
or to a user memory location.
STORE Use to start buffer and modify the number of readings to store.
RECALL Use to display stored readings (including maximum, minimum, peak-to-peak, aver-
age, and standard deviation). The and RANGE keys scroll through the buffer, and
the or 䊳 key toggles between reading number, reading, voltage, and timestamp.
AZERO Use to control auto zero function (on / off).
DAMP Use to control damping function (on / off).
EXIT Use to cancel selection and move back to measurement display.
ENTER Use to accept selection and move to next choice or back to measurement display.
4 Range keys
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.
AUTO Enables/disables autorange.
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.
t^okfkd Hazardous voltage may be present on the rear panel V-SOURCE
OUTPUT terminals when the operate indicator is on.