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.

178
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
–
–
–

182
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

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Chapter 14 Technical Reference
Scheduler
Approximately 32,000 items (23,420 for the PV-200A/PV-250X) with 20-character
description.
Approximately 27,320 items (11,710 for the PV-200A/PV-250X) with 60-character
description.
Contacts
Approximately 32,000 items (23,420 for the PV-200A/PV-250X), under the
following conditions.
8-character name
10-character home phone number
10-character home fax number
20-character home address
Approximately 18,210 items (7,800 for the PV-200A/PV-250X), under the
following conditions.
8-character name
10-character business phone number
10-character business fax number
40-character business address
20-character company name
20-character department
20-character position
Memo
Approximately 3,210 items (1,370 for the PV-200A/PV-250X), 1,024-character
memos.
Expense Manager
Approximately 27,320 items (11,710 for the PV-200A/PV-250X), under the
following conditions.
10-character description
Expense type and payment type set
Quick-Memo
Approximately 1,300 items (550 for the PV-200A/PV-250X).

186
Auto Sort Sequence
The following table shows the sequence used for alphabetical data sorts.
(space)
!
”
#
$
%
&
’
(
)
*
+
,
–
.
/
0
1
2
3
4
5
6
7
8
9
:
;
<
=
>
?
@
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
[
\
]
ˆ
—
`
a
Ú
À
È
Ì
Ò
Ù
Â
Ê
Î
Ô
Û
¡
á
é
í
ó
ú
à
è
ì
ò
ù
â
ê
î
ô
û
¿
Ä
Ë
Ï
Ö
Ü
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
Ã
Õ
Ñ
IJ
Æ
Ç
Å
F
ß
¶
¢
ä
ë
ï
ö
ü
ã
õ
ñ
ij
æ
ç
å
f
£
¥
W
ª
º
#
$
–
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
{
1
}
~
Á
É
Í
Ó
1
2
1
4
3
4
«
2
3
m
ƒ
|
Fr
‹
fi
`
§
›
fl
-
ÿ
®
©
¤
¶
D
ı
P
p
y
Y
•
1

187
Chapter 14 Technical Reference
Message Table
100 alarms are already set!
Cause: The maximum allowable
limit of 100 alarms are already set. Action: Wait until some of the existing alarms are used, or delete
alarms you do not need to make
room for new ones.
Cause: You are trying to highlight
dates for a period that spans multiple
years.
Action: The range of dates when
specifying highlights must be within
one single year. Change your date
range specification so it is within the
same year.
All dates you select must be within the same year.
Cause: Battery power is getting
weak. Action: Replace batteries as explained on page 16 of this User’s
Guide.
Batteries are getting weak! Replace them as instructed in the User’s Guide.
Cause: An alarm time has been
reached for secret memory area data. Action: Enter the secret memory area to view details about the alarm.
Check the secret memory area!
Cause: This message appears after
an operation that can affect your
time settings.
Action: Since all alarms and other
timekeeping related operations are
based on your time setting, be sure
to check it and make corrections as
necessary whenever this message
appears.
Check your home time setting and correct it if necessary!

188
Data error! Consult your User’s Guide for correct procedure.
Cause: An internal data error has
corrupted memory data. Action: See page 11 of this User’s Guide for the correct procedure.
Cause: A data error requires that
you perform the RESET operation,
which deletes all data stored in
memory and returns all settings to
their initial defaults.
Action: Tap Yes to close the dialog
box. You can then recall data stored
in memory to make written copies
before it is cleared by the RESET
operation. Tap No to go immediately
into to the RESET operation, which
will delete all data stored in memory.
Data error! Do you want to view data before resetting?
Cause: None of the data in memory
matches the characters you specified
for a search operation.
Action: Check the characters you
specified to make sure you did not
make a mistake, or try searching for
different characters.
Data item not found!
Cause: You did not input all of the
minimum data required to store the
data item.
Action: Input the minimum required
entries for the mode where you are
inputting new data. Check the
minimum requirements and input the
required data.
Input all required data.
Cause: An error occurred during
data communication. Action: Correct the cause of the error and try again.
Communication error!

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Chapter 14 Technical Reference
Memory is full!
Cause: You are trying to input data
or receive data while memory is
already full.
Action: First try performing the
memory management operation to
see if more memory can be made
available. If this message still
appears, it means that memory is
really full. Delete data you no longer
need to make room for more data.
Cause: The time you are trying to
set for an alarm is already passed. Action: This is merely a warning message that appears for about one
second. After that, the dialog box
closes and the data is stored without
the alarm.
That alarm time is already passed!
Cause: The time you are setting for
an alarm is already used. Action: Change the alarm time to one that is not yet used.
That alarm time is already used!
Cause: You are trying to use invalid
values for a date. Action: Input the date correctly.
Make sure you are inputting the date correctly.
Cause: You are inputting invalid
values for a time setting. Action: Input proper values for the time.
Make sure you are inputting the time correctly.

190
The reset operation deletes all data in memory!
Do you want to continue?
Cause: You are about to perform the
RESET operation, which deletes all
data stored in memory and returns
all settings to their initial defaults.
Action: Tap Yes to perform the
RESET operation and delete all data,
or No to close the dialog box
without deleting anything.
Cause: You are specifying a
Reminder date that is outside the
period specified by the start date and
end date.
Action: Check the specified period
and set the date correctly.
That date is outside of the specified period.
That name is already used!
Cause: You are trying to assign a
name that is already used when
naming a payment type or expense
type.
Action: Use a different name.
The next step starts data deletion and unit reset!
Do you want to continue?
Cause: This is the final warning
before execution of the RESET
operation, which deletes all data
stored in memory and returns all
settings to their initial defaults.
Action: Tap Yes to execute the
RESET operation and delete all data,
or No to close the dialog box
without deleting anything.

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Chapter 14 Technical Reference
Cause: You specified more than 60
repeats for a Reminder data item. Action: Shorten the specified period of the Reminder item to reduce the
number of repeats.
You cannot specify more than 60 repeats!
Cause: The password you input
while trying to enter the secret
memory area does not match the
password that is registered.
Action: Input the correct password.
Wrong password!

192
Troubleshooting
Power Supply
Possible Cause
Problem with PV Unit operational
settings
RecommendedAction
Perform the following procedure.
1. Slide the battery switch to the
REPLACE BATTERIES position, and
remove the battery compartment cover.
2. Use the stylus to press the Pbutton
inside the battery compartment.
P
REPLACE BATTERIES NORMAL OPERATION
3. Replace the battery compartment
cover, and then slide the battery switch
back to NORMAL OPERATION.
4. Use the stylus to press the RESET
button on the back of the unit. See
“To reset the PV Unit” for details on
the reset procedure.
5. In response to the message that appears
after you calibrate the touch screen and
adjust the display contrast, tap No.
• Make sure you do not tap Yes. Doing
so deletes all data stored in memory
and returns all settings to their initial
defaults.
Problem: The PV Unit does not operate normally after batteries are replaced.

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Chapter 14 Technical Reference
Display Contrast
Key Tone
Possible Cause
Display contrast is too dark. Recommended Action
Adjust display contrast (page 171).
Problem: Display is totally black.
Recommended Actions
1. Slide the battery switch to NORMAL
OPERATION.
2. Replace batteries (page 16).
3. Adjust display contrast (page 171).
Problem: Nothing appears on the display when power is turned on.
Possible Causes
1. The battery switch on the back of the
unit is set to REPLACE BATTERIES.
2. Battery power is low.
3. Display contrast is too light.
Problem: The PV unit does not beep when you perform an operation.
Possible Cause
The key tone is turned off. Recommended Action
Turn on the key tone (page 167).

194
Operation
Possible Causes
1. Battery power is low.
2. Exposure of the PV Unit to some
external condition is interfering with
proper operation.
3. The touch screen is damaged.
Problem: Nothing happens when you tap the screen.
Recommended Actions
1. Replace batteries (page 16).
2. Press the Pbutton and then the
RESET button. See procedure above.
3. The touch screen must be replaced.
Contact your nearest CASIO dealer
to have the touch screen replaced.
You will be charged for this
replacement.
Possible Cause
Battery power is low. Recommended Action Replace batteries (page 16).
Problem:The functions or cursor movement performed does not match the
location where you tap on the screen.
Possible Cause
The touch screen needs to be calibrated. Recommended Action Perform the procedure under
“Calibrating the Touch Screen” on page
171.
Problem:Power suddenlyturnsoffor contrast adjustmentscreensuddenly appears.