Keithley 194 Instruction Manual page 75

OPERATION
2. Select the various operating modes for the configura-
tion to be saved using the appropriate front panel
buttons.
mode). The instrument will then respond with the
message for the IEEE-488 address program:
3. Press SETUP twice in succession. The instrument will
then display the following message:
0 IEEE- 488 ADR
STORE SETUP 1
4. To store presently selected setup, simply press ENTER.
NOTE
At this point, you can key in a single digit number to select
the desired program, (in which case ENTER is not
necessary), or use the A or 7 key to scroll through
available modes. Once the desired program is displayed,
press the ENTER key to actually enter the selected
program.
The SETUP 1 configuration is used for power on
and RESET conditions.
5. To store the configuration at a new position, key in the
digit (1 or 2) and press ENTER. The unit will then store
the new configuration. To return to the previous
operating mode, press CHANNEL.
6. If you attempt to store a configuration at the SETUP D
position, the unit will display the following message:
The various programs associated with the OTHER key arc
covered in detail in appropriate paragraphs of this manual
as follows:
CAN'T STORE 0
Program 0 (IEEE-488 address): paragraph 4.5.
Program 1 (self test): paragraph 7.8.
Programs 2 and 3 (digital calibration and NVRAM storage):
paragraph 7.5.
Programs 4, 5, and 6 (Analog output levels): paragraph
3.1~2.7
3.17 FRONT PANEL PROGRAMS
Table 3-14. Front Panel Programs
(OTHER KEY OPERATION)
Miscellaneous modes include programming the IEEE-488
address, self test, digital calibration, NVRAM storage of
calibration constants, X output full scale value, Y output
full scale value, and Z output blanking level. These modes,
along with display messages are summarized in Table 3-14.
Progran
0
1
2
3
Description
IEEE-488 Address
Self Test
1 SELF TEST
Digital Calibration
2 DIGITAL CAL
NVRAM Storage of
Calibration Constants
X Output Full Scale
4 X OUTPUT FS
Y Output Full Scale
5 Y OUTPUT FS
Z Output Blanking Level
6 Z BLANK
OTHER BUTTON
ä u 0 El 0
4
5
6
3.18 RESET
Pressing SHIFT RESET returns the instrument to power-
on default (SETUP 1) operating conditions. The factory
default reset conditions are listed in Table 3-15. Note that
these will be different if you modify the SETUP 1
configuration.
These various programs can be accessed by pressing
OTHER (SHIFT will be necessary if in the data entry
3-36