Junger Audio b46 - Digital Audio Leveler - Manual (Page 31)

5. OPERATION
If all changes are done push the ESC button to switch back to
gain display.
SELECT selection of SAVE or EXIT
+
CONTROL selection of preset number
push
turn Push
CONTROL selection of preset number
Push
Select EXIT for leaving the EDIT menu without saving presets.
operation manual b46, chapter 5 -Operation- page 5-9