Hand Held Products 7300 RF User Guide
Dolphin® 7400
Handheld Computer
User’s Guide
Patents
The Dolphin 7400 mobile computer is covered by the following U.S Patent:
D439,898 S.
The IMAGETEAM 4250 image engine is covered by one or more of the following
U.S. Patents: 3,991,299; 4,570, 057; 5,021,642; 5,038,024; 5,081,343;
5,095,197; 5,144,119; 5,144,121; 5,182,441; 5,187,355; 5,187,356; 5,218,191;
5,233,172; 5,258,606; 5,286,960; 5,288,985; 5,420,409; 5,463,214; 5,541,419;
5,569,902; 5,591,956; 5,723,853; 5,723,868; 5,773,806; 5,773,810; 5,780,834;
5,784,102; 5,786,586; 5,825,006; 5,837,985; 5,838,495; 5,900,613; 5,914,476;
D400,199; 5,292,418; 5,932,862; 5,942,741; 5,949,052; 5,965,863; 5,992,744;
6,045,047; 6,060,722.
Other U.S. and foreign patents pending.
Disclaimer
Hand Held Products reserves the right to make changes in specifications and
other information contained in this document without prior notice, and the reader
should in all cases consult Hand Held Products to determine whether any such
changes have been made. The information in this publication does not represent
a commitment on the part of Hand Held Products.
Hand Held Products shall not be liable for technical or editorial errors or omissions
contained herein; nor for incidental or consequential damages resulting from the
furnishing, performance, or use of this material.
This document contains proprietary information which is protected by copyright.
All rights are reserved. No part of this document may be photocopied,
reproduced, or translated into another language without the prior written consent
of Hand Held Products.
2001 Hand Held Products All rights reserved.
Web Address: http://www.handheld.com
Chapter 1Introduction 7
Safety 8
Required Safety Labels 8
Batch Terminals 8
If Your Dolphin 7400 has a radio 8
FCC Compliance 9
Regulatory and Safety Agency Approvals 10
Batteries 11
Care and Cleaning of the Dolphin 11
Chapter 2Getting Started 13
Accessori es for the Dolphin 13
Dolphin 7400 Models and Options 14
Image Engine Options and Bar Code Symbologies Supported 14
Using Dolphin 7400 for the First Time 15
Chapter 3Dolphin 7400 Overview 25
System Features 25
Processor 25
Operating System 25
Memory 25
Radio options 25
Front Panel Features 26
LEDs 26
1/4 VGA Display 27
ON/SCAN Key 27
Cursor Key 27
Audio Signals 27
Keyboard 27
RF Antenna 28
Back Panel Features 29
Imaging Engine 29
Battery Well 30
Hand Strap 30
Battery Charging Contacts 30
Communication 30
Micro-DB9 RS-232 Port 30
IrDA Port 30
Phone Jack 30
Power 30
5 VDC Port 30
Batteries 30
Internal NiHM Backup Battery 31
Main Battery P ack 31
Managing Battery Power 31
Using the Power Control Panel 32
Servicing the Battery P ack 33
Charging the Battery Pack 35
Storing Batteries 35
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Chapter 4Learning to Operate Dolphin 7400 37
Entering Data 37
Via the Touchscreen Input 37
Via the Keyboard 37
Using the Image Reader 37
Communication 38
Communication Media 38
Software Communication Programs 38
Using the Keyboard 39
Using the Cursor Keys 40
Using the Modifier Keys 41
Other Special Keys 41
Key Combinations 42
Navigating the Keyboard 43
Using the Modem 45
Chapter 5Dolphin 7400 RF Terminal 47
Configuring Your Dolphin 7400 RF Terminal 48
Client Utilities for the Dolphin 7400 802.11b Radio 49
Configuring the Radio 50
Host Connectivity 51
Thick-Client Terminal Emulation 51
Thin-Client Terminal Emulation 52
Chapter 6 HomeBase/IntelliBase 53
Hub of the System 53
Power Conditioning 53
Convenient Storage 53
HomeBase/IntelliBase Parts and Functions 54
Front Panel 54
Back Panel 55
Bottom Panel 56
Powering the Dolphin Terminal 57
Charging A Dolphin Terminal 57
Deep-Cycling Batteries 57
Setting Up For Communications 58
Setting Up The Dolphin HomeBase/IntelliBase 58
Connecting the Cables 58
Configuring the Dolphin Terminal 61
Communicating with the Dolphin Terminal 62
Mounting the HomeBase/IntelliBase 63
Chapter 77400 QuadCharger 67
Dolphin 7400 QuadCharger Parts and Function 67
Top Panel 67
Rear Panel 68
Charging Batteries In The QuadCharger 69
Setting Up The QuadCharger 69
Supplying Power To The QuadCharger 69
Inserting and Removing Battery Packs 69
Servicing T he Battery Pac k 70
Storing Batteries 71
Troubleshooting 71
Chapter 8Developing Applications 73
Chapter 9Warranty, Support and Service 75
What's Covered By The Warranty 75
What's Not Covered By The Warranty 76
How Problems Should Be Handled 76
Return Information 76
How To Extend Your Warranty 78
Technical Support 78
Chapter 10Appendix A 79
Using the Modifier Keys 80
43-Key Alpha/Numeric Keyboard 80
Key Combinations 81
35 Key Numeric/Alpha 82
Key Combinations 83
56 Key Full Alpha Numeric 84
Key Combinations 85
Chapter 11Appendix B 87
87
Dolphin 7400 Scan Maps 87
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1
Introduction
Congratulations on the purchase of your new Dolphin® 7400
handheld computer. You have made a wise choice in selecting the
Dolphin, a device known worldwide for its ergonomic shape, light
weight and single-handed data collection features.
The patented shape allows true, one-handed operation and fits either
hand comfortably. Built to last, the Dolphin’s ruggedly built case
houses a 206MHz RISC processor and Windows CE™ operating
system that is easily programmable with standard programming tools,
like Microsoft Windows CE™ eMbedded Visual Tools, which includes
eMbedded Visual C/C++® and eMbedded Visual Basic®.
Dolphin is one of the most durable devices available, and is designed
to withstand repeated five-foot drops onto a concrete floor. It also
resists extreme temperatu re s, hum idi ty leve ls and dust con di tio ns .
The Dolphin’s collection of features also includes: long-lasting Nickel
Metal Hydride (NiMH) batteries, a large easy-to-read 240 x 320 1/4
VGA backlit display that can display text or graphics, a natural scan
and viewing angle, a low-power, high-resolution digital image engine
for omni-directional and auto-discrimination decoding of linear
barcodes, Stacked Linear and matrix codes and provides OCR
(Optical Character Recognition) functionality. The Dolphin 7400 may
also be equipped with an 802.11b direct sequence radio for real-time
data collection applications.
Load up the Dolphin with your custom software application and the
ultimate data collection solution for your business fits in the palm of
your hand.
The Dolphin 7400 Handheld Computer/HomeBase™ User Guide is
designed to provide you with the information you need to make the
most of your new Dolphin terminal. Sections on the basics, safety,
battery use, accessories, and service make this guide a complete
source of information.
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Safety
The Dolphin 7400 handheld computer meets or exceeds the requirements of all
applicable standards organizations for safe operation. However, as with any
electrical equipment, the best way to ensure safe operation is to know the
possible risks.
The following safety guidelines are designed to protect both you and others
around you. Please read them carefully before using your Dolphin terminal.
Required Safety Labels
Batch Terminals
The following is the the required safety label as it appears on the back panel of the
Dolphin 7400 batch terminal:
If Your Dolphin 7400 has a radio
The Dolphin® 7400 RF terminal is designed to comply with the most current
applicable standards on safe levels of RF energy developed by the Institute of
Electrical and Electronics Engineers (IEEE) and the American National Standards
Institute (ANSI) and has been recommended for adoption by the Federal
Communications Commission (FCC).
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The following is the the required safety label as it appears on the back panel of the
Dolphin 7400 RF terminal:
FCC Compliance
The Dolphin 7400 Batch and RF terminals both comply with part 15 of the FCC
rules. Operation is subject to the following two conditions:
1. Devices may not cause harmful interference.
2. Devices must accept any interference received, including interference that may cause
undesired operation.
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Regulatory and Safety Agency Approvals
Parameter Specification
U.S.A.
Canada
Europe
FCC Part 15, Class B
IEC 0003
EN 55022 (CISPR22) Class B
ETS 300 826 Type Certified
Others
EMC 89/336/EEC
EN 50082-1:1997, EN55024
RF Approvals
U.S.A
Canada
Europe
FCC Part 15 .247
RSS 210 Certified
ETS 300 328 Certified
The CE mark on the product indicates that the system has been tested to and
conforms with the provisions noted within the 89/336/EEC Electromagnetic
Compatibility Directive and the 73/23/EEC Low Voltage Directive.
For further information please contact,
Hand Held Products (UK) Ltd.
1
st Floor
Dallam Court Dallam Lane
Warrington, Cheshire WA2 7LT
England
Hand Held Products shall not be liable for use of our product with equipment
(i.e.,power supplies, personal computers, etc.) that is not CE marked and does
not comply with the Low Voltage Directive.
Pacemakers, Hearing Aids and Other Electrically Powered Devices
Most manufacturers of medical devices adhere to the IEC 601-1-2 standard. This
standard requires devices to operate properly in an EM Field with a strength of
3V/m over a frequency range of 26 to 1000MHz.
The maximum allowable field strength emitted by the Dolphin is 0.3V/m according
to Subpart B of Part 1 of the FCC rules. Therefore, the Dolphin RF will have no
effect on medical devices that meet the IEC specification.
Microwaves
The radio in the Dolphin RF terminal operates on the same frequency band as a
microwave oven. Therefore, if you use a microwave within range of the Dolphin
RF terminal you may notice performance degradation in your wireless network.
However, both your microwave and your wireless network will continue to
function.
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Batteries
The Dolphin Batch terminal does not contain a radio, and therefore, is not affected
by microwave ovens.
The following are general guidelines for the safe use and disposal of batteries:
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Use only the battery supplied with your Dolphin or a replacement battery
supplied, recommended, or approved by Hand Held Products, Inc.
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Replace a defective battery immediately as it could damage the Dolphin
terminal.
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Never thr ow a used battery in the tr ash. It contains hea vy metals and should be
recycled according to local guidelines.
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Don’t short-circuit a battery or throw it into a fire. It can explode and cause
severe personal injury.
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Excessive discharge damages a battery. Recharge the battery when your
Dolphin indicates low battery power.
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Although your battery can be recharged many times, it will eventually be
depleted. Replace it after the recommended usage period (about 600 charge
cycles for the 2700 mAh NiMH battery) or if the battery is unable to hold an
adequate charge.
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If you are not sure the battery or charger is working properly, please send it to
Hand Hand Products or an authorized Hand Held Products service center, for
inspection.
The Dolphin handheld computer meets or exceeds all applicable standards and
has been manufactured to the highest level of qual ity.
Care and Cleaning of the Dolphin
When needed, clean the image engine window and the LCD display with a clean
non-abrasive, lint-fr ee cloth.
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2
Getting Started
The Dolphin 7400 is a handheld computer/imager designed for easy,
single-handed data collection. The terminal is equipped with a
StrongARM™ 206MHz RISC processor built to run the Windows
CE™ operating system.
Dolphin 7400 handhelds are available with different types of 2D
imagers, wireless radios, and memory configurations to meet most
any automated data collection requirement. Dolphin 7400 handheld
computers may also be equipped with a low power, high speed, V.90
56K FAX/modem to allow communications via an analog phone line.
Offered with a base memory configuration of 16 MB RAM and 16 MB
FLASH, the device has three keyboard options and a 240 x 320 pixel,
backlit 1/4 VGA display. The display also is available with a touchscreen.
The Dolphin 7400 platform is equipped with an integrated imager.
The imager can take images like shipping manifests, recipient
signatures, while at the same time, decode OCR (Optical Character
Recognition) fonts. The imager can also decode standard linear and
two-dimensional symbologies.
Accessories for the Dolphin
The Dolphin 7400 is part of a data collection system that includes
accessories specifically designed for vehicle, desktop and hub
operations. Accessories available include serial and networkable
communications/charging cradles, vehicle mounted charging/
communication cradles.
You can use these accessories with the Dolphin:
Dolphin 7400 HomeBase™ Dolphin terminal charging and
communication station, includes power adapter.
Dolphin 7400 Quad Battery Charger Charges four batteries in under
three hours and conditions in under eight hours
Dolphin HomeBase Power Adapter Replacement power adapter for
Dolphin HomeBase.
Note: Use only power adapters approved for use by Hand Held Products.
NiMH Battery Pack Nickel Metal Hydride (NiMH) 2700mAh
rechargeable battery for the Dolphin.
Failure to do so ma y resu lt in i mprope r operat ion or d amage to the unit.
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RS-232 Serial Cable Allows Dolphin 7400 to connect to other computer systems
for file transfer or to connect Dolphin 7400 terminal using the terminal’s serial RS232 interface.
Contact your Value-Added Reseller for more information. For details about how to
install or use any of these accessories, refer to the documentation provided with
the product.
Dolphin 7400 Models and Options
Hand Held Product’s family of Dolphin 7400 handheld portable data collection
terminals includes these models:
The
Dolphin® 7400 Batch terminal is a Windows CE™ programmable handheld
computer with a unique, ergonomic shape designed for single-handed use. The
standard Dolphin 7400 is available with 16 MB RAM and 16 MB FLASH and an
integrated digital imager. Both the RAM and FLASH are upgradeable to 32MB.
The terminal's RS-232 connector supports external plug-in scanners, land line
modems and printers. It also features an IrDA infrared transceiver for data
communicate to portable printers and cradles.
The
Dolphin® 7400 RF terminal integrates the basic functionality of the Batch
terminal with an 802.11b direct sequence radio that allows the terminal to
communicate with a host computer via radio wireless local area network (WLAN).
Image Engine Options and Bar Code Symbologies Supported
Dolphin 7400 terminals may be equipped with one of three image engines
options:
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LX: scans from 2.0 to 15.0 in. (5.1 to 38.1 cm.)
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LR: scans from 1.9 to 9.4 in. (4.8 to 23.9 cm.)
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HD: scans from 1.6 to 3.9 in. ( 4.1 to 9.9 cm.)
1D symbologies supported are: Code 3 of 9, Interleaved 2 of 5, EAN, Codabar,
Code 11, Code 128, Code 93, TLC39, Universal Product Code (UPC).
2D symbologies supported are: PDF417, MaxiCode, Data Matrix, Vericode, RSS,
EAN.UCC, Aztec, QR Code, Code 49.
Composite codes supported are: RSS-14, CODABLOCK, Aztec Mesa.
OCR codes supported include: OCR A and OCR B.
Postal codes supported include: Postnet and most international 4 state codes,
PLANET CODE, BPO 4 STATE, Canadian 4 State, DUTC H POSTAL,
AUSTRALIAN 4 STATE, JAPANESE POSTAL.
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Using Dolphin 7400 for the First Time
Follow these steps to begin using your Dolphin 7400 terminal.
1. Unpack and check the terminal and documentation.
2. Charge the main battery pack and internal back-up battery.
3. Turn the Dolphin on.
4. Calibrate the screen, set the date/time, and user information.
5. Verify that your Dolphin 7400 terminal is working properly.
1 Unpack the Carton and Check Its Contents
Inspect the package to see that the following standard items and accessories (if
ordered) are included in the standard Dolphin 7400 kit:
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Dolphin 7400 handheld computer/bar code scanner
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Battery (2700 mAh, Nickel Metal Hydride [NiMH])
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Dolphin 7400 HomeBase
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RS-232 Serial Cable
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AC-DC Power Adapter for Dolphin Terminal/HomeBase
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Dolphin 7400 Software Development Kit & User’s Guide CD-ROM
Note: Be sure to keep the original packaging in the event that the Dolphin terminal or
HomeBase should need to be returned for service.
2 Charging the Main Battery and Backup Battery
WARNING
use of any other battery pack in the Do lph in terminal wi ll void your warranty an d may result
in damage to the Dolphin terminal or battery.
The terminal’s NiMH battery is shipped discharged of all power so you must
charge it before using it for the first time. To charge the main battery pack:
1. Place the main battery pack in the Dolphin 7400 terminal.
2. Place the terminal in the terminal well of the Dolphin HomeBase™. Time to
Charge: 3.5 hours for the main battery; 8 hours for the back-up battery
As the main battery pack charges, the internal back-up battery also charges. For
the initial charging cycle, it is recommended that the terminal be charged for
approximately 8 hours to allow adequate charging time for the back-up battery.
Not doing so may result in the terminal becoming unstable should the unit lose
power and the back-up battery is required. The back-up battery maintains the
RAM and clock when the NiMH main battery pack is discharged or removed from
the terminal.
For maximum battery life, you must service, or deep cycle, the main battery pack
twice before initial use. It is also recommended that you service the battery once
per month. Refer to the section on Battery Management in Chapter 3 for further
information.
Use only 2700 mAh NiMH battery packs pr ovide d by Han d Held Products . The
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Inserting the Battery Pack
Follow these steps to install the Dolphin 7400 battery pack.
1. The Dolphin 7400 ships with the handstrap installed. Hold the terminal with the
front panel (keyboard) facing down. Push the clip of the handstrap down and
away from the terminal to unhook it; move the strap up and away from the battery compartment.
2. Insert the end without the locking tab into the top of the battery opening and
snap the battery into place with a hinging motion. The battery case serves as
the back cover of the Dolphin.
3. Reattach the handstrap by positioning it down over the battery case and sliding
the clip back into the place at the bottom end of the 7400.
4. The terminal will initialize and, after a few seconds, will show the splash screen
for the Dolphin 7400 demo program.
Removing the Battery Pack
Follow these directions to remove the Dolphin battery pack.
1. Hold the Dolphin with the front panel (keyboard) facing down.
2. Remove the handstrap by pushing its clip down and forward to unhook it from
the terminal; move the strap away from the battery compartment.
3. Push the locking tab on the battery pack up and pull the battery out from the
Dolphin terminal with a hinging motion.
3 Turning the Dolphin On And Off
Turning the Dolphin On For the First Time
Turning on the Dolphin 7400 for the first time is a cold boot. Follow these steps to
turn on your Dolphin 7400 terminal.
1. Install the charged battery pack in the Dolphin.
2. The red LED will come on and the green LED will blink for approximately three
seconds.
NOTE: DO NOT PRESS ANY KEYS WHILE THE TERMINAL IS BOOTING
UP.
3. The terminal will initialize and after a few seconds will display the Dolphin 7400
splash screen shown below:
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Dolphin 7400 Spl as h Sc reen
Waking the Dolphin From Sleep Mode
The Dolphin 7400 terminal is never actually turned off. To conserve power, the
Dolphin suspends operation, or goes into “sleep mode” when it is inactive for a
programmed period of time, as defined by your application. The screen is blank
when the Dolphin is in “sleep mode.” Press the ON/SCAN key to wake the
Dolphin terminal from sleep mode and you can start working where you left off.
The Dolphin terminal also goes into sleep mode if you remove the main battery
pack. To wake the Dolphin terminal from sleep mode, install a charged battery
and press the ON/SCAN key.
WARNING If the main battery and back-up battery are ever full y discharged of power,
the terminal will cold boot. The terminal will be restored to its original state. All data
stored in RAM memory also will be lost.
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4 Calibrating the Screen, Setting the Date/Time and Modem (if
equipped)
Calibrating the Screen
If your Dolphin 7400 is equipped with a touchscreen, you need to calibrate the
screen after a cold boot. After the Dolphin 7400 Welcome Splash Screen appears,
you will be prompted to calibrate the screen. Follow the directions on the screen to
calibrate the screen. After calibrating the screen, you will be prompted to set the
date and time on the terminal. The Dolphin 7400 Demo Program main menu
appears after you set the date and time.
Stylus Properties Screen
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Setting the Date/Time
Use the Windows CE™ Date/Time function to set the correct date and time for
your Dolphin 7400 terminal.
Date/Time Properties Screen
Touchscreen-equipped terminals:
1. From Control Panel, select Date/Time to set the date and time for your terminal.
2. Touch OK to accept the settings and to exit Date/Time. The main screen for
the Dolphin 7400 demo will come up on the screen.
Terminals without touchscreens:
1. Use the Cursor keys to navigate to Date/Time and then press <Enter> to open
Date/Time Properties.
2. Use the Cursor and Tab keys to navigate around the screen and to set the date
and time for your terminal.
3. Press <Enter> to return to the Control Panel.
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Configuring the Modem
If your Dolphin 7400 handheld computer is equipped with a modem, follow these
configuration instructions. Use the Dolphin 7400 mouse utility to navigate through
the configuration process if your terminal does not have a touchscreen. For more
information about the mouse utility, see Navigating the Keyboard in Chapter 4.
1. From the Start menu, select Programs>Communication>Remote Networking.
2. Select Make New Connection. Type in name for the connection. Select DialUp Connection and touch Next.
3. Select the modem from the drop-down menu, CIRRUS LOGIC 56K MODEM
and then touch Configure.
4. Set the option on Port Settings tab as shown below and then touch OK.
5. Touch Next and enter the country code, area code and phone number in the
appropriate fields. Touch Finish and the terminal will return to the Connection
window.
For information on using the modem, see Using the Modem in Chapter 4.
5 Verifying that Dolphin 7400 is Working Properly
After the main battery pack is charged and installed and you have calibrated the
the screen and set the time and date, the Dolphin 7400 terminal is ready to use.
Choose the IMAGE DEMO or SCAN DEMO to verify that the terminal is operating
properly.
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Touchscreen-equipped terminals:
To take an image:
1. Touch the IMAGE DEMO button.
2. Touch F1 (red key + Q) to view the set-up utility for the IMAGE DEMO.
3. Press <ON/SCAN> button and the image you take will appear on the terminal’s
screen.
4. Touch Back to go back to the main menu of the Dolphin 7400 Demo Program.
5. Press <ESCAPE> to exit the demo.
To scan a bar code label:
1. Touch the SCAN DEMO button.
2. Touch F1 (red key + Q) to view the set-up utility for the SCAN DEMO.
3. Press the <ON/SCAN> button, aim the terminal at a bar code and the red
SCAN LED will illuminate. The green SCAN LED will illuminate and the terminal will beep when a good scan is obtained. Information about the barcode
scanned will appear on the screen.
4. Touch Back to go back to the main menu of the Dolphin 7400 Demo Program.
5. Press <ESCAPE> to exit the demo.
Terminals without touchscreens:
To take an image:
1. Using the Cursor keys, navigate down to the IMAGE DEMO button and press
an <ENTER> key.
2. Touch F1 (red key + Q) to view the set-up utility for the IMAGE DEMO.
3. Press ON/SCAN button and the image you take will appear on the terminal’s
screen.
4. Press <ESCAPE> to go back to the main menu of the Dolphin 7400 Demo Program.
To scan a bar code label:
1. Using the Cursor keys, navigate down to the SCAN DEMO button and press
an <ENTER> key.
2. Touch F1 (red key + Q) to view the set-up utility for the SCAN DEMO.
3. Press ON/SCAN button, aim the terminal at a barcode and the red SCAN LED
will illuminate. The green SCAN LED will illuminate and the terminal will beep
when a good scan is obtained. Information about the barcode scanned will
appear on the screen.
4. Press <ESCAPE> to go back to the main menu of the Dolphin 7400 Demo Program.
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Resetting the Dolphin (Cold Boot)
Under some conditions, you may need to reset the Dolphin 7400 terminal with a
cold boot. These may include:
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Resetting a locked up operating system or terminal
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Resetting the terminal back to factory defaults
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Resetting the terminal after a bootloader, keyboard, and kernel upgrade.
To perform a cold boot:
1. Press and hold the Control (CTRL) and the Escape (ESC) keys for about 10
seconds, then release.
2. Release the keys and the terminal will reset. The red LED will come on and the
green LED will blink for approximately 3 seconds.
3. The terminal will behave as described in the section about Turning the Dolphin
On for the First Time.
Resetting the Dolphin (Warm Boot)
There are times when you may need to warm boot the Dolphin 7400 terminal such
as after loading a software application that requires a warm boot after installing
new software. To warm boot the Dolphin 7400 terminal:
1. Press and hold the Control (CTRL) and the SHIFT (SFT) keys for about 10
seconds, then release.
2. Release the keys and the terminal will reset. The red LED will come on and the
green LED will blink for approximately 3 seconds.
3. The terminal will initialize and after a few seconds will display the main menu
screen for the Dolphin 7400 Demo Program shown below:
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Dolphin 7400 Demo Program Main Menu Screen
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Dolphin 7400 Overview
System Features
Processor
The Dolphin® 7400 terminal is equipped with a StrongARM™
206MHz RISC microprocessor that runs on a 100 MHz BUS and is
the most powerful Windows CE platform on the market.
Operating System
Microsoft® Windows® CE is a compact, highly efficient, scalable
operating system. Its open architecture and minimal memory
requirements facilitates development of applications for energyefficient data collection devices like the Dolphin 7400 terminal. The
graphical interface also makes the device more user-friendly.
Memory
Main Board
The base memory configuration for the Dolphin 7400 terminal is 16
MB RAM with 16 MB FLASH. Both are upgradeable to 32 MB.
Compact Flash Card
The Dolphin 7400 terminal has one Type I compact flash card socket
for additional application and data storage capacity. Additional
modular compact flash upgrades of 48 MB, 96 MB, and 192 MB are
available through an authorized Hand Held Products service center.
The compact flash card socket is not user accessible to preserve the
terminal’s IP-64 environmental rating.
Radio options
The Dolphin 7400 terminal has one Type II PCMCIA card slot to allow
for an interface with 2.4 GHz 802.11b Direct Sequence radio
networks and Wi-Fi™ certified products.
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Front Panel Features
This section describes features on the Dolphin 7400 terminal front panel.
Decode LED Scan LED
Cursor Key
1/4 VG A Display
(Optional
Touchscreen)
ON/SCAN Key
Keypad with
epoxy-coated keys
LEDs
The red light emitting diode (LED) located at the upper right corner of the LCD
display is SCAN LED. This LED illuminates when the user presses the ON/SCAN
key and activates the scan engine. The green LED located at the upper left corner
of the LCD display is DECODE LED. This LED illuminates when the bar code
software successfully decodes a bar code. Both LEDs are software
programmable.
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1/4 VGA Display
The Dolphin 7400 screen is a 240 x 320 pixel 1/4 VGA display. The
electroluminescent backlight allows you to view the display in low light conditions.
To conserve power, the backlight may be programmed to automatically turn off
after a prescribed amount of time. The contrast may be adjusted with the contrast
keys.
The Dolphin 7400 display may be equipped with a touchscreen that can be
activated with a stylus or finger.
ON/SCAN Key
The ON/SCAN key is centrally located for easy use with the right or the left hand.
Cursor Key
The centrally located cursor key allows full Windows® navigation.
Audio Signals
The Dolphin 7400 terminal has an internal speaker that sounds audio signals as
you scan bar code labels and enter data. Signals are emitted at a sound level of
80 dB sound pressure level at two feet. The operating frequency range is 500 Hz
up to 8 kHz. The speaker can also be used for playing sounds using WAV files.
Keyboard
The Dolphin 7400 terminal’s keyboard features epoxy-coated keys and is backlit
for easy use in dark and dim lighting conditions. The keyboard’s yellow
background enhances the readability of the numeric keys. The centrally located
ON/SCAN key and other important keys allow for easy imaging, bar code
scanning and application navigation. All keyboard versions are suited for righthanded and left-handed use.
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