Digital Multimeter 
 
FLUKE 45 Command Emulation Summary 
  73 
Compare Commands and Queries 
The commands in Table 25 cause the Meter to determine whether a measurement is 
higher than, lower than, or within a specified range. 
Table 25. Compare Commands and Queries 
Command  Description 
COMP 
 
COMP? 
 
 
 
COMPCLR 
 
COMPHI 
<high value> 
 
COMPLO 
<low value> 
Meter enters compare (COMP) function. 
 
Meter returns "Hl" if the last COMP measurement reading was above the compare 
range, "LO" if it was below it, "PASS" if within compare range, or "— " if a 
measurement has not completed. 
 
Meter exits compare function, and restores display tonormal operation. 
 
Sets HI compare (COMP) value to <high value>, and <high value> can be a signed 
integer, signed real number without exponent, or signed real number with exponent. 
 
Sets LO compare (COMP) value to <low value>, and <low value> can be a signed 
integer, signed real number without exponent, or signed real number with exponent. 
Trigger Configuration Commands 
 
The commands in Table 26 set and return the trigger configuration. 
 
Table 26. Trigger Configuration Commands 
Command  Description 
TRIGGER 
<type> 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
TRIGGER? 
 
Sets the trigger configuration to <type>. 
 
<type> corresponds to a number between 1 and 5 selected from Table 26A. If the 
<type> entered is not one of these listed numbers, an Execution Error is generated. 
 
Table 26A. Trigger Type 
Type  Trigger  Rear Trigger  Settling Delay 
1 
2 
3 
4 
5 
Internal 
External 
External 
External 
External 
Enabled
[1]
 
Enabled
[1]
 
Enabled
[1]
 
Enabled 
Enabled 
- 
Off 
On 
Off 
On 
[1]  Although the Fluke 45 disabled the rear-panel 
  trigger for these trigger types, the 884XA leaves 
  the rear-panel trigger enabled. 
 
When the input signal is not stable, select a trigger type with the settling delay (type 3 or 5) 
enabled before a measurement is triggered. 
 
Returns the trigger <type> set by the TRIGGER command.