Psion CFBAG02 7535 HANDHELD COMPUTER WITH USI RADIO User Manual 8000007 Book

Psion Inc 7535 HANDHELD COMPUTER WITH USI RADIO 8000007 Book

1. BROCHURE
2. USERS MANUAL 1
3. USERS MANUAL 2

USERS MANUAL 2

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Date Submitted	2004-02-02 00:00:00
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Document Title	8000007 Book
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Document Author:	Eva Szabo

Chapter 6: Tekterm Application
The Tekterm Status Area
6.4 The Tekterm Status Area
Tekterm provides a status area just above the softkey labels. The status area indicates the operating condition of the hand-held.
Figure 6.2 Status Area
Table 6.2 outlines the options displayed in the status area.
Status Area Indicators
Security Level The security level assigned within the Tekterm application is displayed in the
Within Tekterm status area. One of the following is displayed – User, Supervisor or Teklogix.
View Mode
When is typed to place the 7535 in View mode, this
information is displayed in the status area.
Table 6.2 Status Area
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Chapter 6: Tekterm Application
TESS Emulation
6.5 TESS Emulation
TESS (Teklogix Screen Subsystem) is the normal operating mode of Psion Teklogix
computers. Teklogix protocol emulation software resident on network controllers or
a Psion Teklogix Software Development Kit (SDK) and installed in the host
converts host screens to TESS commands. The 9150 Access Point is also equipped
with protocol emulation software.
Note: If the message “RESET: Press Enter” flashes at the bottom of the TESS
screen when you turn on the 7535, press the key once.
6.5.1 Configuration
Note: Each TESS session must have a unique name assigned to it. The title
you assign will be displayed in the Display Menu.
The process of renaming an existing TESS session and adding a new session is
described in the section titled, “Applications” on page 194.
A unique number must be assigned in the “Terminal #” parameter for each TESS
session. Refer to “Terminal #” in the section titled “TESS Settings” on page 212
for details.
6.5.2 Working With Multiple Sessions
To display another session in TESS:
•
Go to the startup ‘Display Menu’. If you are in a TESS session, press
<0> to go to the ‘Display Menu’.
•
Type the letter corresponding to the application you want to launch.
For example, suppose the sessions are listed in the “Display Menu” as
‘D TESS1’ and ‘E TESS2’. To launch the session named TESS2, type
the letter e.
6.5.3 The Field Types
Fixed Field – displays information that cannot be changed from the keyboard.
Entry Field – allows the operator to enter data. This type of field is usually shown
as: “........”
Match Field – the host computer loads data in the format of the expected entry. If
the entered data does not match the expected format, the unit emits a long beep.
154 Psion Teklogix 7535 Hand-Held Computer User Manual
Chapter 6: Tekterm Application
IBM 5250 Emulation Keys
Auto-tab Field – automatically moves the cursor to the next field when the current
field is filled.
Bar code only Field – is filled with data from a bar code reader. Keyboard entries
are not accepted in this type of field.
Serial I/O Field – is filled with data coming from a serial port. Keyboard input is
not accepted in this type of field.
6.5.4 IBM 5250 Emulation Keys
The following keys allow the Psion Teklogix computer to better emulate the
functions of a true IBM 5250 terminal.
Note: These keys are active at all times in TESS applications.
Key Function
Key Sequence
Field Advance or
Tab

(PgDn key)
Field Backspace

(PgUp key)
Field Exit

(End key)
Home

(Home key)
Cursor Movement
Cursor moves to the first position in the next
input field. If already in the last field, the cursor
moves to the first input field on the screen.
Cursor moves to the beginning of the current
field. If already in the first position, the cursor
moves to beginning of the previous field.
Current field is cleared from the cursor position
to the end of the field, and the cursor moves to the
next input field.
Cursor moves to the first input field on the screen.
6.5.5 Data Entry
The 7535 accepts data until the operator presses a key that sends a transmission to
the host computer. The following actions cause the 7535 to transmit:
•
•
Pressing a function key or the key (which is considered to be
) causes the 7535 to transmit.
Completing data entry into a “transmit on entry” field also causes the
7535 to transmit.
Psion Teklogix 7535 Hand-Held Computer User Manual
155
Chapter 6: Tekterm Application
TESS Edit Modes And Cursor Movement
There are several ways to configure the 7535 hand-held to complete a data field:
•
•
•
•
Pressing after entering data.
Pressing a function key after entering data.
Pressing an arrow key after entering data.
Filling an auto-tab field.
6.5.5.1 TESS Edit Modes And Cursor Movement
The TESS editing modes and cursor movements in each type of mode are described
in the table below.
Field mode
Fcursor mode
Insert mode
Replace mode
Press f to enter field mode. In this mode, once data entry
into a field has been completed, the entry cannot be changed without
retyping the entire field.
In field mode, the and arrow keys do not perform
any functions. Pressing the or arrow key completes
the entry field and then, moves the cursor to the previous or next field.
Press u to enter fcursor mode. In this mode, once data
entry into a field has been completed, the entry cannot be changed
without retyping the entire field.
In fcursor mode, the , , and
arrow keys move the cursor between fields.
Press i to enter insert mode. In this mode, data can be
entered between two characters that have been previously entered.
In insert mode, the and arrow keys move the
cursor right and left within a field. The and arrow
keys complete the entry field and move the cursor to the previous or
next field.
Press r to enter replace mode. In this mode, data can be
entered over previously entered characters.
In replace mode, the and arrow keys move the
cursor to the right and left within a field. The and
arrow keys complete the entry field and move the cursor to the previous or next field.
Note: When the “Enter on Arr” parameter is disabled (set to “N”), the
and arrow keys do not complete an entry field. Refer to
page 225 for details about this parameter.
156 Psion Teklogix 7535 Hand-Held Computer User Manual
Chapter 6: Tekterm Application
Key Behaviour In TESS
6.5.5.2 Key Behaviour In TESS
Field mode
Replace mode
Insert mode
Fcursor mode
• In a left justified field, the key erases all characters in the
field and places the cursor in the left most position of that field.
• In a right justified field, the key erases all characters in the
field and places the cursor in the right most position of that field.
• If the key is used to clear data in a field that has been
pre-filled by the host application, the field is flagged as modified
and the updated information is sent to the host in the next response
message.
• In both left and right justified fields, the key erases characters beginning from the current cursor position to the end of the
field. The cursor remains in the same position in the field.
• If the key is pressed while cursor is in the right most
position in the field, the 7535 emits a keyboard error beep.
• If the key is used to clear data in a field that has been
pre-filled by the host application, the field is flagged as modified
and the updated information is sent to the host in the next response
message.
• In both left and right justified fields, the key erases the
characters from one character position to right of the cursor to
the end of the field.
• If the key is pressed while the cursor is in the right most
position in the field, the 7535 emits a keyboard error beep.
• If the key is used to clear data in a field that has been
pre-filled by the host application, the field is flagged as modified
and the updated information is sent to the host in the next response
message.
• Refer to “Field Mode” at the beginning of this table. The
key operates in the same manner in “Fcursor mode” as it does in
“Field mode”.
Psion Teklogix 7535 Hand-Held Computer User Manual
157
Chapter 6: Tekterm Application
Key Behaviour In TESS
6.5.5.3 Key Behaviour In TESS
Field mode
Replace mode
• In a left justified field, the key erases the character directly
to the left of the cursor and then moves the cursor one position to the
left. When the last character in the field is deleted, the field displays
the value that it contained before it was modified, and the field is
opened.
• In a right justified field, the key erases the character on
which the cursor is positioned and shifts the remaining characters to
the right by one position. When the last character in the field is
deleted, the field displays the value that it contained before it was
modified, and the field is opened.
• If the key is pressed when the field is empty, the 7535 emits
a keyboard error beep.
• The key does not delete data pre-filled by the host application.
• If the key is pressed in a field that has not been modified, the
7535 emits a keyboard error beep.
• If data is entered into a field and is then deleted before the field is
completed, the field remains unmodified when the cursor leaves the
field or when the screen is transmitted.
• In a left justified field, the key erases the character on which
the cursor is positioned unless it is one position to the right of the last
character in the string; in this case, the key erases the character to the left of the cursor.
• In a right justified field, the key erases the character on
which the cursor is positioned. The remaining characters are then
shifted to the left of the cursor, and the cursor is shifted to the right by
one position.
• If the key is pressed while the cursor is in the right-most
character position of the field, the cursor does not shift to the left
when that character is erased; it remains in the right most position in
the field.
• When the last character in a field is erased, the field remains empty –
that is, any pre-filled data is not displayed. Pressing the key
in the empty field results in a keyboard error beep.
• The key can delete data pre-filled by the host application.
• If data is entered in a field and is then deleted before the field is completed, the field remains unmodified when the cursor leaves the field
or when the screen is transmitted.
158 Psion Teklogix 7535 Hand-Held Computer User Manual
Chapter 6: Tekterm Application
TESS Status Message
Insert mode
• In a left justified field, the function erases the character on
which the cursor is positioned, unless it is at the right end of the character string; in this case, it erases the character to the left of the cursor.
When the last character in a field is erased, the field remains empty,
and any further functions in the empty field result in a keyboard error beep.
• In a right justified field, the function erases the character
that is to the right of the cursor and then shifts the data remaining to
the right one position.
• If the key is pressed while the cursor is in the right-most
character position of that field, the cursor does not shift to the left
when that character is erased; it remains in the right-most position
in the field.
• When the last character in a field is erased, the field remains empty –
i.e. any pre-filled data is not displayed. Pressing the BKSP key in the
empty field sounds a keyboard error beep.
• The key can delete data pre-filled by the host application.
• If data is entered into a field and then deleted before the field is completed, the field remains unmodified when the cursor leaves the field
or when the screen is transmitted.
Fcursor mode
• Refer to “Field Mode” at the beginning of this table. The
key operates in exactly the same manner in “Fcursor mode” as it does
in “Field mode”.
6.5.6 TESS Status Message
•
•
Press to continuously display the status message in the
lower left corner of the screen.
Press to make this message appear only when the 7535
locks. The message should look similar to the sample below:
V6.0 fld 0.6
“V6.0” is the TESS version number. “fld” indicates that TESS is currently in field
mode. Insert and replace mode are represented as “ins” and “rep” respectively. The
number “0.6” indicates the response time of the last transmission in seconds. Press
to display the unit number instead of the TESS version number.
Psion Teklogix 7535 Hand-Held Computer User Manual
159
Chapter 6: Tekterm Application
Lock Messages
6.5.7 Lock Messages
When information is transmitted to the host computer, the keyboard locks to
prevent further data entry until the 7535 receives a reply. A locked state is
indicated by either “LOCK-B” (base) or “LOCK-H” (host) in the lower left
corner of the display.
When the reply is received by the 7535, the lock message disappears and the
keyboard can be used again.
6.5.8 Control Commands
A group of key commands can be used within TESS to dictate how the
7535 will operate under a variety of conditions.
•

– Reprints the last print page sent from the host. This key
combination will not print anything if a print page from the host was not
previously received at the 7535 hand-held.
• – Displays the 7535 status continuously. Below is a sample
status line as it might appear at the bottom of your screen:
Lock-B/Lock-H
•
•
enh
“application name”
– Displays the 7535 status when the unit is in “Lock B” or
“Lock H” mode. The status line would be similar to the sample above.
– Displays the 7535 status with the terminal number instead
of the name.
Lock-B/Lock-H
•
fld
rep
“terminal nn”
– Displays a menu of available hosts.
6.5.9 Resetting A TESS Session
Resetting a TESS session requires that C be pressed three times within a
two second period to generate the “RESET – User request” message.
•
•
Press and hold down the key, and press the key three times
within a two second period.
Press .
This procedure restarts the TESS session without affecting the rest of the 7535.
160 Psion Teklogix 7535 Hand-Held Computer User Manual
Chapter 6: Tekterm Application
The Local Menu
6.5.10 The Local Menu
The host can store local procedures in the 7535 for use when the unit is off-line.
A menu of these procedures appears whenever is pressed
(see Figure 6.3).
• Press the function key corresponding to the procedure you want to perform.
Local procedures will not function when the “Lcl Process” and “Queuing”
parameters are disabled (see “Lcl Process – Save on Reset” on page 219
and “Queuing” on page 219).
Although using local procedures eliminates the advantages of an on-line 7535,
it allows work to continue when the host is unavailable. The “LOCK-B/H”
messages are replaced with “NEXT-B/H” in this mode.
F1
F2
F3
F4
F5
F6
F7
F8
F9
LOCAL MENU
- Select Host
Figure 6.3 Local Menu
6.5.11 Selecting Another Host Computer
•
Press or from the local menu to display a menu of
available hosts.
This menu appears only when more than one host is available.
Select Host: ......
F1 - Host 1 F2 - Host 2
Figure 6.4 Select Host Screen
Note: This feature will not function when the “Lcl Process” and “Queuing”
parameters are disabled (see “Lcl Process – Save on Reset” on page 219
and “Queuing” on page 219).
Psion Teklogix 7535 Hand-Held Computer User Manual
161
Chapter 6: Tekterm Application
Queuing Mode
6.5.12 Queuing Mode
In some applications, queuing mode can decrease the computer lock time. In queuing
mode, the host computer may send several pages to a 7535 without waiting for
a response. These pages are stored in a queue within the 7535 hand-held. The
operator completes the entries on the first page and then, presses a function key.
The 7535 simultaneously transmits to the host and displays the next page in the
queue. The computer does not lock, allowing the operator to enter data on the next
page immediately. This continues as long as there are pages in the queue.
Queuing mode is used for repetitive tasks, and the queued screens look identical.
The 7535 displays a “Next” message indicating that a new page is on the display.
“Next” messages also contain information about radio communications: “NEXT-B”
indicates that the 7535 has data to transmit to the base station. “NEXT-H”
indicates that the base station has acknowledged a transmission. Unlike lock
messages, “Next” messages do not lock the keyboard. Keying is allowed while
“Next” messages are displayed.
While queuing mode may improve apparent response time, it can present difficulties
to hosts that are operating in real time. It should only be used after careful
consideration of the host environment. The 7535 must be configured for queuing
mode (see the “Queuing” parameter on page 219). Additional information on
queuing can be found in the TESS (Teklogix Screen Subsystem) Manual.
6.6 ANSI Emulation
The Psion Teklogix 7535 in ANSI mode operates like most other ANSI terminals.
This means software that supports ANSI terminals requires little or no changes.
6.6.1 Configuration
To configure the 7535 for ANSI mode, the “Name” and “Type” of session – in this
case, ANSI – must be specified in the Applications menu. This menu is described in
the section titled, “Applications” on page 194.
Next, a unique number must be assigned using the “Terminal #” parameter. This
number should be unique across the entire system – that is, each 7535 and each
application session in each 7535 across your system must have a unique number
assigned. This parameter is described in the section titled “ANSI Settings” on
page 195.
Once the 7535 is configured, an ANSI operation can be selected from the startup
“Display Menu”.
162 Psion Teklogix 7535 Hand-Held Computer User Manual
Chapter 6: Tekterm Application
Sending Data To The Host
6.6.2 Sending Data To The Host
7535 hand-helds running ANSI sessions transmit characters to the host as soon as
they are typed. The 7535 provides parameters that determine when the computer
transmits characters to the host.
The 7535 can be configured to transmit after a number of characters are typed
in (the “Xmit Count” parameter) or after some time has elapsed (the “Xmit Wait”
parameter), or both. This reduces overhead on the radio link and improves response
time. See page 202 for more information about these parameters.
You can also determine whether the 7535 transmits immediately after the
key, an arrow key, or a function key is pressed.
The 7535 computer also responds immediately to the device attribute requests
“CSIc”, “CSI0c” and “ESCZ”.
Note: For a more detailed description of the parameter settings for ANSI,
refer to “ANSI Settings” on page 195.
6.6.3 Psion Teklogix Keyboard And VT220 Equivalent Keys
The Psion Teklogix keyboard differs from most ANSI terminals. Table 6.3 maps the
equivalent VT220 keys.
Psion Teklogix Key
arrow
arrow
arrow
arrow
-

-
Equivalent VT220 Key
Up arrow
Down arrow
Right arrow
Left arrow
PF1-PF4
None
F6-F10
F11 (ESC)
F12 (BS)
F13 (LF)
F14
Help
Do
F17-F20
Psion Teklogix 7535 Hand-Held Computer User Manual
163
Chapter 6: Tekterm Application
Block Mode (Local Editing)
Psion Teklogix Key

-
Equivalent VT220 Key
Find
Insert Here
Remove
Select
Previous Screen
Next Screen
None
Table 6.3 Psion Teklogix Keyboard And VT220 Equivalent Keys
6.6.4 Block Mode (Local Editing)
The Psion Teklogix 7535s support “block mode” (or Local Editing). Application
programs must be specifically written to support this mode. For software that
supports this mode, the keys shown in Table 6.4 have special meaning.
Key
Function

Starts transmission of data.
Function keys
Start transmission of data.
Arrow keys
Move cursor to the next unprotected position in the
appropriate direction.
arrow
Moves the cursor to the next unprotected area.
arrow
Moves the cursor to the previous unprotected area.

Deletes the character to the left of the cursor, and moves
cursor one position to the left.
Erases the data in an area and moves the cursor to the
first position in the area.

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Psion CFBAG02 7535 HANDHELD COMPUTER WITH USI RADIO User Manual 8000007 Book

Psion Inc 7535 HANDHELD COMPUTER WITH USI RADIO 8000007 Book

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USERS MANUAL 2

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