HP 49g Graphing Calculator - Manual (Page 55)

Changing the format of the date or time
To change the format of the date or time:
1. Press 0 (TÍME).
2. Press ® ® to highlight the
SET TIME, DATE...
frmction and then press
OK.
The
SET TIME AND DATE
input form is displayed.
3. Press the appropriate arrow keys to highlight the format field you want
to change.
The fomrat fields are the two fields at the far right of the screen.
4. Change the fonnat. (The format fields are list fields. See “Input form
fields” on page 2-14 for information on how to edit list fields on an
input form.)
5. If you want to change another format, repeat from step 3.
6.
When
you
have finished, press
OK.
7. The input fonn closes and the date and time is displayed in the formats
you set.
Alarms
You can set two types of alarms: appointment alarms and control alarms.
on
Appointment alarms
An appointment alann is an alann you set to go off at a particular time
a particular date. Typically, an appointment alann is accompanied by a
user-set message, for example, a reminder.
Wlren the alarm falls due, a beep is emitted at short intervals for about 15
seconds. If you also specified a message when setting the alarm, that
message is displayed in the status area, along with the alarm annunciator
(((»))). The message is displayed only while the alarm is soimding.
You acknowledge an appointment alarm by pressing a key while the alarm
is soimding. The beep stops, the anmmciator disappears, and the message
is deleted.
If you do not press a key while the alarm is sounding, the message
disappears, but it is not deleted. (See “Checking, changing, and deleting
alarms” on page 2-29 for infonnation on following up alarms that you have
missed.) If the alann is a non-repeating alarm (explained in the next
Basic operation Page 2-27