Casio PV-250X User manual

175
This section contains technical information about the PV Unit.
Chapter
14 Technical Reference
14
Date Formats ................................................................................. 176
Time Formats ................................................................................ 176
Tool Bars ........................................................................................ 176
Data Input Tool Bar ............................................................................. 177
Data Display Tool Bar ......................................................................... 178
Keyboard Formats ........................................................................ 179
QWERTY ............................................................................................ 179
AZERTY.............................................................................................. 179
QWERTZ............................................................................................. 179
Scheduler Mode Alarms ............................................................... 180
Input Limits................................................................................... 181
Resetting the PV Unit ................................................................... 182
To reset the PV Unit ................................................................................. 182
Euro Conversion Rate Presets ..................................................... 184
Storage Capacity ........................................................................... 184
Auto Sort Sequence ....................................................................... 186
Message Table................................................................................ 187
Troubleshooting............................................................................. 192
Specifications ................................................................................. 196

176
Date Formats
The following describes the date formats that can be set for the system (page 169).
Time Formats
The following describes the time formats that can be set for the system (page 169).
Tool Bars
The PV Unit uses standard tool bars for data input and display. The following
shows typical examples of these toolbars, and describes the items that can appear
in each.
Format
M/D/Y
D/M/Y
Y/M/D
Description
Month/Day/Year. Example: Jan/31/2000
Day/Month/Year. Example: 31/Jan/2000
Year/Month/Day. Example: 2000/1/31
Format
12-hour
24-hour
Description
Represents time in two blocks, from midnight to 11:59am,
and from noon to 11:59pm.
Represents time as a single block, from 0:00 to 23:59. This
format is often referred to as “military time.”

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Chapter 14 Technical Reference
Data Input Tool Bar
• The above table shows all the buttons that can possibly appear in a data
input tool bar. Depending on mode and other factors, some of the tools
shown above may not be included in a data input tool bar.
Mode icon
Button
Mode icon
Description
Indicates the mode you are currently in.
Clears all characters in the entry (field) where the cursor
is located. In the Contacts Mode, pressing this button clears
the data from all the input fields for the data item (record)
you are inputting.
Pastes the current date and time as being kept by the main
clock at the current cursor location.
Displays a calculator.
Advances to the next screen.
Returns to the previous screen.
Saves input data and closes the input screen.
In the Quick-Memo Mode, tapping this button changes to
the list view.
Displays the pop up tool screen.

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Data Display Tool Bar
• The above table shows all the buttons that can possibly appear in a data
display tool bar. Depending on mode and other factors, some of the
tools shown above may not be included in a data display tool bar.
Mode icon
Description
Indicates the mode you are currently in.
Displays a menu of other views that can be used to display
data.
In the Scheduler and Expense Manager modes, jumps to
today’s date as kept by the PV Unit’s built-in clock.
Advances to the next item.
Returns to the previous item.
Displays the new data input screen.
Returns to the list screen from a Contacts, Memo,
Expense Manager, and Quick-Memo mode data screen.
Changes to the data editing screen for the current data
item.
Displays the pop up tool screen.
Button
Mode icon

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Chapter 14 Technical Reference
Keyboard Formats
The PV Unit provides you with a selection of keyboard formats.
QWERTY
• This format is automatically selected when English, Spanish, or Italian
is set as the system language.
AZERTY
• This format is automatically selected when French is set as the system
language.
QWERTZ
• This format is automatically selected when German is set as the system
language.

180
Scheduler Mode Alarms
• When you set an alarm time for a Schedule, To Do, or Reminder item,
an alarm sounds for about 20 seconds when the alarm time is reached on
the date that is also specified for the data item.
• Alarms may fail to sound when battery power is low.
• If the alarm time is reached for a data item stored in the secret memory
area, the message Check the secret memory area! appears on the
display. In this case you must enter the secret memory area to see what
the alarm is for.
• Alarms are deleted automatically after the Scheduler alarm time is passed.
You cannot set an alarm time for a date and time that are already passed.
• You cannot schedule two alarms for the same time on the same day.
• Up to 100 Scheduler alarm times can be set at one time.

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Chapter 14 Technical Reference
Input Limits
The following table shows the maximum number of characters that can be input
into various fields.
Mode
Schedule
To Do
Reminder
Contacts
Memo
Expense
Manager
Search
Password
Clipboard
Maximum Number of Characters
2,046
2,046
14
2,046
2,036
14
12
2,048
8
14
14
2,008
12
12
2,048
Entry (Field)
Description
Description
Category
Description
–
Category
Item
Description
Amount
Payment Type
Expense Type
Description
–
–
–

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Resetting the PV Unit
Warning!
The following procedure erases all data stored in the memory of the PV Unit.
Perform this operation only when you want to delete all data and initialize the
settings of the PV Unit.
Remember - you should always keep copies of important data by writing it down,
or by transferring it to a personal computer.
To reset the PV Unit
1. Open the cover and touch the screen with the stylus to turn on power.
2. Use the stylus to press the RESET button on the back of the PV Unit.
RESET
RESET button

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Chapter 14 Technical Reference
• If the above does not appear on the display when you press the RESET
button, slide the battery switch to the REPLACE BATTERIES position
and remove the battery compartment cover. Use the stylus to press the P
button and then replace the battery compartment cover. Slide the battery
switch back to the NORMAL OPERATION position and then press the
RESET button.
3. Tap the center of each of the four cross marks as they appear on the
screen.
• The contrast adjustment screen appears next.
4. Tap Hor Jto adjust the contrast of the display, and then tap OK.
5. In response to the message that appears, tap Yes to reset the PV Unit and
clear all memory contents, or No to abort the reset procedure without
doing anything.
6. If you tapped Yes in the above step, a second confirmation message
appears. Tap Yes to reset the PV Unit and clear all memory contents, or
No to abort the reset procedure without doing anything.
• Tapping Yes in the above step starts the actual reset procedure.
7. What happens after the reset procedure is complete depends on what
model you are using.
• On the PV-200A or PV-400A, the pop up tool screen appears. Continue
from step 9.
• On the PV-250X and PV-450X, the system language selection screen
appears. Continue from step 8.
8. Tap the button next to the language you want to select as the system
language, and then tap Set to change to the pop up tool screen.

184
9. Check the time setting and correct it if necessary (page 166).
• Following are the initial settings of the PV Unit after you perform the
RESET operation.
Main clock: Clock 1
London
Jan/1/2000
12:00 am
12-hour format
Clock 2: New York
Daily Alarm: 12:00 pm
Sound: Daily Alarm off, all others on
Character input: CAPS off
Euro Conversion Rate Presets
Storage Capacity
The memory capacity of the PV-400A/PV-450X is 4-Mbyte (2-Mbyte for the
PV-200A/PV-250X). The following shows the number of items that can be stored.
Country
Germany
France
Italy
Spain
Netherlands
Belgium
Portugal
Austria
Finland
Ireland
Luxembourg
Rate (for 1 euro)
1.95583
6.55957
1936.27
166.386
2.20371
40.3399
200.482
13.7603
5.94573
0.787564
40.3399
Currency Code
DEM
FRF
ITL
ESP
NLG
BEF
PTE
ATS
FIM
IEP
LUF
Decimal Places
2
2
0
0
2
0
0
2
2
2
0