5.
Offset
—
off and zeroed
Scaling
~
off and set to 1
Peaks
—
off and set to 0
Ext
Ref
—
off
Trig^r
—
Auto
VDC/Ohmx
Aero
-
zeroed
Remote
—
out,
in local.
2-79. Allow a 1 hour warm-up to insure rated accuracy.
8502A
2-80. Front Panel Control Usage
2-81.
Figures 2-4, 2-5, 2-6,
and
2-7
will describe
S502A
front
panel control usage.
When initially setting these con-
trols, use the following grouping sequence:
FUNCTION
—
RANGE
—
MODIFIERS
—
MEMORY
RANGEFUNCTION
C.fKtTS;
DOWN AUTO
OHMS
Depress the switch for the desired function.
The 8502A will assume autoranging
(AUTO LED
on) and
retain
any modifier (sample, filter, etc.)
or
memory (scaling, offset, etc.)
mode already In
use.
if a function
is selected for which the module is either faulty or not
installed, Error
9
will appear in the display. Press
RESET
or select another
function to clear
this error indication. Otherwise, die
appropriate
function LED
will come on when one of the following functions is selected:
1. DC VOLTS (V
DC)
-
Standard,
5
ranges.
2.
AC
VOLTS (V
AC)
--
Optional, 4 ranges.
3.
DC CURRENT (A DC)
-
Optional,
5
ranges.
4.
AC CURRENT (A AC)
—
Optional, 5 ranges.
5.
Resistance (OHMS)
—
Optional
,
8 ranges.