If you press "up" or "down," the test bench will stop changing (the "up" or "down" indicator will turn gray).
ຖ້າຫາກວ່າທ່ານກົດ "ເຖິງ" ຫຼື "ລົງ," bench ການທົດສອບທີ່ຈະຢຸດເຊົາການປ່ຽນແປງ (the "ເຖິງ" ຫຼື "ລົງ" ຕົວຊີ້ວັດຈະເຮັດໃຫ້ສີເທົາ).