Figure 3-39 Key-Press Codes - Keithley 2002 User Manual

IEEE-488 Reference
Program fragment
3-144
:syst:key 15
The parameter listing provides the key-press code in numeric order. Figure 3-39 also provides
the key-press code.
The :KEY command allows you to select the NEXT displays over the bus. Sending :SYS-
Tem:KEY 16 over the bus is the same as a single press of the NEXT key. Sending :SYS-
Tem:KEY 8 is the same as a single press of the PREV key. The NEXT display that is selected
depends on which function is currently selected and how many times the NEXT key is "pressed"
using the :KEY command. The instrument can always be returned to the normal display by
"pressing" the PREV key a similar number of times, or by sending the :DISPlay:CNDisplay
command.
For example, on the FREQ function, you can display the trigger level by "pressing" the NEXT
key twice as follows:
:syst:key 16; key 16
To return to the normal display, "press" the PREV key twice as follows:
:syst:key 8; key 8
The queue for the :KEY? query command can only hold one key-press. When :KEY? is sent
over the bus, and the Model 2002 is addressed to talk, the key-press code number for the last key
pressed (either physically or with :KEY) is sent to the computer.
8 15 22
PREV
DCV ACV
DISPLAY
NEXT
REL TRIG
POWER
INFO LOCAL
23 7 6
16 31 30
Figure 3-39
Key-press codes
PRINT #1, "output 16; :syst:key 29"
SLEEP 3
PRINT #1, "output 16; :sys:key 16; key 16"
SLEEP 3
PRINT #1, "output 16; :syst:key 8; key 8"
29 5 12 19 26
2
4
DCI ACI FREQ
STORE RECALL FILTER MATH
CHAN SCAN CONFIG MENU EXIT
21 20 4 3
14 13 28 27 11
' Select DCI function
' Wait 3 seconds
' Select Zero Center Bar Graph
' Wait 3 seconds
' Return to normal display
2 1
SENSE
4 WIRE
350V
PEAK
2002 MULTIMETER
INPUTS
TEMP
F
RANGE
AUTO
FRONT/REAR
RANGE
CAL
ENTER
18 17
10 9
INPUT
HI
1100V
!
PEAK
LO
500V
PEAK
R
2A 250V
AMPS