Mitsubishi Electric AT-50B Instruction Book page 29

1. Touch the A Date and Time button on the [Time and Schedule] screen.
2. Touch the 1 [Date] tab to set the date, or 2 [Time] tab to set the time.
3. Using the 3
4. On each tab, select one of the three display formats by checking the 4 checkbox next to the desired
format.
5. Touch the button 5 to access the [Daylight saving changes] screen.
・Touching the button 6 displays a list of countries. Select your country.
Select "Not used" if you do not use daylight saving time.
・If your county does not exist in the list, select "Manual".
The buttons 7 become active. Touching the buttons 7 displays the date and time setting screen.
Set the start and end date/time.
Daylight saving time setting screen
6. Touch the 8 Save button.
• The initial date/time setting is 1/1/2013 12:00AM.
• If the clock is set forward, the operations that were scheduled to have taken place before the new time
will be cancelled.
• When the daylight saving time goes in effect, the scheduled operations or the Setback operations
scheduled for the skipped hour cannot be executed.
• When "Clock setting signal" is set to OFF on the [Initial Settings 1/Basic System] screen under the
Service Menu, the daylight saving time function is not available.
[Note] Set the "Clock setting signal" setting to "OFF" if the AT-50B is used as a sub controller, or other controllers
periodically issuing a time alarm exist on the same M-NET. If two or more controllers issuing a time alarm exist on
the same M-NET, other devices existing on the M-NET fail to synchronize their clock with that of the main controller
(master clock), causing malfunctions of the clock-related functions such as the schedule and apportioned electricity
billing functions. For details, refer to 2-3. Initial Settings of the Installation Manual.
buttons, set the following items: [Month/Date/Year] and [Hour/Minute/AM・PM].
6
7
Date and time setting screen
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