40
9.2. Failure History Display Mode
9.3. On-and-off Buzzer Sound Mode
• During the self-diagnosis display mode, if the “UP” button is pressed down, then the on-and-off buzzer mode is displayed, and
the buzzer sound's current settings are indicated. If the “UP” button is pressed down again, then the ON/OFF has changed and
by pressing down the “DOWN” button the buzzer sound settings is fixed.
9.4. Display Mode U10