Select the manual mode.
The alarm history is displayed.
Press the history screen.
The cursor moves to the latest alarm.
Press 【 ▲ 】 or 【 ▼ 】 to move the cursor.
Setting requires password input.
In the input screen
Press 【 Set 】 .
Enter the password and press 【 Enter 】.
Press 【 Exit 】 .