See link below or attached video.
Changing the high limit set value on the MCT4 control.
Step 1: from the home screen, press the display icon.
Step 2: press the settings icon.
Step 3: press the display icon.
Step 4: press the alarm icon.
Step 5: press and hold the SP value for 4 seconds or until the (Locked) display changes to Alarm Message.
Step 6,: enter the desired high limit set value, then press Done.
Press the Home icon to return to the home page.
Resetting and clearing a high limit alarm on the MCT4 control.
Step 1: press the flashing alarm icon.
Step 2: press reset, then press yes to reset the alarm.
Step 3: to clear the alarm history, press Clear, then press Yes to clear the alarms.
Press the Home icon to return to the home page.