HP 53181A Programming Manual page 252

Commands Reference
:SYSTem Subsystem
:SYSTem:KEY <numeric_value>
This command simulates the pressing or a front-panel key. The <numeric_value> is
a key code value.
This command puts an entry in the Key Queue (just as any front-panel key press
does). The length of the Key Queue is 500.
The keys and their corresponding key codes are listed in the following table.
Key
Freq Ch1
Freq Ch2
Other Meas
Gate & ExtArm
Uppr &Lower
Limit Modes
Scale & Offset
Stats
Recall(Utility)
Save & Print
Run
Stop/Single
+/-
Enter
<numeric_value> 1 to 25
Range
• Numeric data transferred as ASCII bytes in <NR1> format.
Query Response
• The query returns the key code for the last key pressed. A value of
-1 indicates the queue (last in, first out) is empty.
4-94
Key Code Key
1
4
2
5
7 Channel 1 Trigger/Sensitivity
8
Channel 1 50Ω /1MΩ
10 Channel 1 DC/AC
11 Channel 1 X10 Attenuate
3 Channel 1 100kHz Filter
6 Display More Digits
9 Display Fewer Digits
12
24
25
Key Code
d
20
f
23
s
21
g
22
13
14
15
16
17
18
19