background image

Optelec 

 

ALVA USB 640 Comfort 

Page 10 

 

English 

Disposal of old products 

 

-If you see this symbol- 

Information on Disposal methods for other countries outside 
the European Union. 

This symbol is only valid in the European Union. 

If you wish to discard this product, please contact your local 
authority or dealer to learn about the correct disposal method. 

 
 

Environmental conditions 

 

Environment  

Operating temperature: +0° C ~ +40° C 

Conditions 

Storage/transportation 

temperature: 

-20° C ~ +60° C 

 

Operating relative humidity: 20% ~80% non-condensing 

 

Storage/transportation 

relative humidity: 

10% ~95% non-condensing 

 

Atmospheric pressure: 500~1060 hPa 

 

Warranty conditions 

Optelec warrants the ALVA USB 640 Comfort, effective from the date of delivery, to 
be free of any defects in material and workmanship.   
Warranty is not transferable. The ALVA USB 640 Comfort has been designed for the 
individual purchaser to be used in home and office environments. Optelec reserves 
the right to repair or replace any purchased ALVA USB 640 Comfort with a similar or 
better product. 
In no event shall Optelec or its distributors be liable for indirect or consequential 
Comfort. The original user’s remedies are limited to replacement of ALVA USB 640 
COMFORT modules. This warranty is valid only when serviced in the country of 
original purchase, and with intact seals. For additional warranty claims or service 
during or after the warranty period, please consult your supplier. 
Optelec takes no responsibility for use of this device other than described in this 
manual.  

 

 

Summary of Contents for Braille ALVA USB 640 Comfort

Page 1: ......

Page 2: ......

Page 3: ...User Manual Version 2 UDC 02067C 2014 Optelec the Netherlands All rights reserved Optelec 2993 LT Barendrecht The Netherlands Telephone 31 0 88 6783 444 Fax 31 0 88 6783 400 Internet www optelec com...

Page 4: ......

Page 5: ......

Page 6: ...3 2 1 1 Top and front panel layout 3 2 1 2 Right side layout 4 2 1 3 Left side layout 4 2 1 4 Front panel keys eTouch navigation buttons and cursor routing keys 4 3 Installation 5 3 1 Setting up the A...

Page 7: ...Open Standard philosophy to work with mainstream technology enabling compatibility with most screen reading software and operating systems For the latest information about screen readers that fully s...

Page 8: ...connector 7 On off switch When the ALVA USB 640 Comfort is placed correctly in front of you the Braille cells are located at the back of the flat surface and the thumb keys are facing you 2 1 1 Top a...

Page 9: ...or detailed key function definitions eTouch keys The two keys found on each side of the Braille line are called eTouch keys They are used for panning left and right and also for various other Braille...

Page 10: ...ase do not interrupt the installation or turn the ALVA USB 640 Comfort off 3 2 Installing the ALVA USB 640 Comfort screen reader drivers Drivers for the majority of the screen readers are included in...

Page 11: ...uch1 Braille toggle mode Physical mode on off T3 eTouch2 Braille toggle Cursor Toggle virtual focus on off T3 eTouch3 Braille moves active Braille verbosity scheme cycle T3 eTouch4 Braille toggle 8 pi...

Page 12: ...se toggle T3 eTouch3 Auto route cursor toggle T3 eTouch4 Spacing toggle T1 Scroll Braille left T2 Prior Braille line T3 To focus T4 Next Braille line T5 Scroll Braille right T1 T2 Show attribute toggl...

Page 13: ...cted to analog or digital interfaces must comply with the respective IEC EN standards e g IEC EN 60950 1 for data processing equipment and with IEC EN 60601 1 for medical equipment Do not open the hou...

Page 14: ...Exposure Statement This transmitter must not be co located or operated in conjunction with any other antenna or transmitter This equipment complies with FCC RF radiation exposure limits set forth for...

Page 15: ...e ALVA USB 640 Comfort effective from the date of delivery to be free of any defects in material and workmanship Warranty is not transferable The ALVA USB 640 Comfort has been designed for the individ...

Page 16: ...Woodshots Meadow Croxley Green Business Park Watford WD18 8YX United Kingdom T 44 0 1923 23 13 13 www optelec co uk Optelec Nederland BV Breslau 4 2993 LT Barendrecht The Netherlands T 31 0 88 6783 5...

Page 17: ......

Page 18: ......

Reviews: