pigtronix Infinity looper User Manual page 7

Stop (Hold = Erase) – Pressing the STOP footswitch
will cause playback to cease on one or both
loops, depending on the ARM or ALL setting (see
below). Holding down the STOP footswitch will
cause loop audio to be erased from one or both
loops, depending on the ARM or ALL setting.
-- ARM / ALL –
Quickly Pressing the STOP MODE switch will
choose between ARM and ALL modes.
In ALL, the STOP footswitch will stop playback on
both Loops. The ALL functionality also applies to
the ERASE command. With ALL selected, holding
down the STOP footswitch will erase both loops.
The ALL functionality also applies to the PLAY
command. Once the loops are stopped, hitting
either loop footswitch will resume playback on
both loops.
In ARM, the STOP footswitch will stop playback
only on the loop that is armed. The ARM
functionality also applies to the ERASE command.
With ARM selected, holding down the STOP
footswitch will erase only the armed loop. To stop
both loops in ARM mode, hit the STOP footswitch
twice within 1 second. The ARM functionality also
applies to the PLAY command. Once the loop(s)
is stopped, pressing a loop footswitch will resume
playback on the currently armed loop only.