Keithley DMM7510 Reference Manual page 272

Model DMM7510 7½ Digit Graphical Sampling Multimeter Reference Manual
Always block
When the trigger model reaches a branch-always block, it goes to the block that you specified.
When you select the always block, the following option is available.
Setting
Branch to Block
DMM7510-901-01 Rev. B / May 2015
Description
The block number to execute when the trigger model reaches the
always block
Section 3: Functions and features
3-89