Panasonic MDF-DC700VXC Operating Instructions Manual page 12

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8. Message display field: The information of the operation monitor system, alarms or errors are
displayed when fault occurs. Refer to page 44～46.
9. Message select key: When there are a number of alarm, errors or information of the operation monitor
system, the message on the screen is changeable.
10. Menu key: Press this key to lead the Menu screen. It is possible to set various setting on the Menu
screen. Refer to page 17.
11. Buzzer key: Press this key to silence the buzzer. However, when the ring back is ON, the buzzer will
sound again when the ring back passed and the alarm state still continues. Refer to page 27 and 47.
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