Sharp OZ-640 - Manual (Page 61)

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separately, you can simply disable the Organizer’s DST feature
itself, which then applies to all cities within the Organizer. When
these cities switch back to DST, you can simply re-enable the
feature without having to change any city’s entry.
1. Press [MENU] to open the Clock menu.
2. Select ENABLE DST.
3. The current DST setting (enabled or disabled) is indicated
by a tick. Select ENABLE DST to change the setting.
When DST is disabled, the DST symbol disappears from the
Clock display.
Disabling all alarms
Once you have set an alarm, it will sound at the appropriate
time whether the Organizer is turned on or off. When the
organizer is on, at the bottom of the display indicates that
any alarm that is set will sound at the appropriate time.
There may be times when you do not want to hear any of the
set alarms. You can disable all Schedule alarm sounds easily
with a single operation.
1. Press [MENU] three times to open the TOOLS menu.
2. Select ALARM SOUND ON.
The disappears from the display. All alarm sounds are now
Daylight Saving Time (DST)
Assigning DST to a city
Designating Daylight Saving Time (DST) for a city automatically
sets the time for that city one hour ahead of its regular time.
1. Press [MENU] to open the Clock menu.
2. Select either CHANGE LOCAL CITY or CHANGE WORLD
CITY (it doesn’t matter which you choose).
3. Select the desired city using [ ], [ ], [PREV] and
[NEXT].
4. Press [ ].
A symbol appears to the left of the city, indicating that DST is
in effect.
5. Press [ENTER].
To de-assign a city’s DST setting, simply follow the above
procedure and press [ ] again (this toggles DST between
on and off).
Enabling and disabling DST
Once DST is assigned to a city, it remains in effect until it is de-
assigned. Rather than having to de-assign DST for each city