Ieee-488Addressortalk.only; Self-Test - Keithley 486 Instruction Manual

SECTION 3
Front Panel Operation
3.8.5
IEEE-488 Address or Talk-Only
This menu item is used to check or change the IEEE-488
address, or select talk-only.
IEEE-488 Selections:
ADDR 00-30
IEEE-488 primary address
TALKONLY talk-only mode
At the factory, the IEEE-488 address is set to 22. However,
it can be set to any valid value from 0 to 30. Section 4 con-
tains detailed information on IEEE-488 programming. In
talk-only, the instrument will continually output data to
a listening device, such as a listen-only printer. Details on
using talk-only are contained in paragraph 3.13.
Perform the following steps to chedc or change the
IEEE-488 address, or select talk-only:
1.
2.
3.
4.
Press and release MENU until the current IEEE-488
selection is displayed. For example, if primary ad-
dress 22 is currently selected, the following message
will be displayed:
IEEE-488
ADORE!
To retain this selection, proceed to step 3 or 4.
Use the rotary knob or the 4 and F keys to display
the desired address or talk-only.
Enter the displayed selection by pressing MENU.
The next menu item will be displayed.
To exit the menu, press SHm and then FXIT. The in-
strument will return to the normal measurement dis-
play state.
NOTE The instrument will power-up to the last selected
IEEE-488 selection.
3.8.6 Defaults
This menu item allows you to save the present operating
states as the power-up default conditions, or to return the
instrument to previously saved default conditions, or to
return the instrument to the factory default conditions.
Factory default conditions are listed in Table 3-3. Also in-
dicated in the table are the controls/features that can be
saved as the power-up default conditions.
Default Selections:
OK Do nothing
SAVE
Save present operating states as
power-up default conditions
RECALL Retun to previously saved power-
up default conditions
FACTORY Return to factory default conditions
and save as power-up default con-
ditions.
Perform the following steps to use a default selection:
1.
2.
3.
4.
Press and release MENU until the following mes-
sage is displayed:
DEFAULTS
OK
If you do not wish to execute one of the other default
selections, proceed to step 3 or 4.
Use the rotary knob or the 4 and W keys to display
the desired default selection.
Execute the displayed default selection by pressing
ENTER. If "OK" or "SAW" is executed, the next
menu item will be displayed. If "RECALL" or "FAC-
TORY" is executed, the instrument will return to the
normal measurement display state.
If still in the menu, you can exit from it by pressing
SHIFT and then EXIT.
3.8.7
Self-Test
This menu item is used to test display segments and in-
ternal memory elements. During the display test, each
segment of all the LEDs will be briefly displayed. Then,
all segments of each LED will be sequentially displayed.
The display test takes approximately 17 seconds to com-
plete. After the display test, tests on its memory elements
will be performed.
Self-Test Selections:
NO
YES
Do not perform self-test
Perform self-test
Perform the following steps to perform the self-test:
1. Press and release MENU until the following mes-
sage is displayed:
SELFlXST
NO
3-19