User Manual
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DoubleCheck XL
Commercial Calculator for
Visually Impaired People
Страница 1: ...User Manual ___________________________________________________________________________________________ DoubleCheck XL Commercial Calculator for Visually Impaired People...
Страница 2: ...8 4 10 3 Delete Stored Values page 8 4 11 Repeat Function page 8 4 12 Backlit Display option page 8 5 Arithmetic Procedures page 8 5 1 Standard Arithmetic Functions page 8 5 2 Advanced Arithmetic Fun...
Страница 3: ...ety Instructions page 13 9 Cleaning the Device page 14 10 Technical Data page 14 11 Guarantee and Service page 14 12 Disposal page 15 12 1 Disposal of Electronic Devices page 15 12 2 Battery Disposal...
Страница 4: ...nversion of currency and physical units Date and time with alarm clock function Volume control in 6 steps 1 2 XL Product Series XL calculators are available in the following versions Non talking Non t...
Страница 5: ...urn over the device with the high position end showing to the right side In the middle of the bottom side you can feel a little notch This is where you can open the battery compartment Please note tha...
Страница 6: ...on without backlit display row 2 Increase volume row 3 Decrease volume row 4 Repeat input 4 2 3 x 3 Group from left to right row 1 short time long date short recall memory long save value short on del...
Страница 7: ...umber incorrectly you can always delete the last digit or the complete number Press the ON key short and the complete number will be deleted press the On key long and only the last digit will be delet...
Страница 8: ...M will disappear from the display 4 11 Repeat Function By pressing the Repeat key Auxiliary key row 4 or by pressing the Menu key short 3 x 3 group row 2 column 2 the entire entry will be repeated ev...
Страница 9: ...2 right key followed by the digit 5 Finish the process by shortly pressing the percent key 3 x 3 group row 3 right key DoubleCheck XL will then announce the result 5 2 2 Square a Given Number To squa...
Страница 10: ...als 86 degrees Fahrenheit To re convert this result to degree Celsius press both the equals key and the plus key 4 x 4 group row 4 columns 3 and 4 5 3 1 Currency Conversion The default exchange rate E...
Страница 11: ...know you will need a certain amount of money in the near future end capital and you know that your bank offers you a certain interest rate percent for a certain duration for e g 5 years After typing i...
Страница 12: ...ercentage and ask you to type in the duration Do so once more and confirm with a short press of the Menu key DoubleCheck XL then will announce the initial capital 6 Help Mode Pressing the keys FIN and...
Страница 13: ...L offers you the possibility to round a number This can be helpful when using big values e g in the millions as DoubleCheck XL will then automatically round the value and not announce the entire numbe...
Страница 14: ...s e g CDs memory cards etc and batteries Under this guarantee CareTec shall repair a unit that is found to be defective free of charge or at its option replace it by a reconditioned one In no event sh...
Страница 15: ...13 Manufacturer This product must be disposed of separately from household waste at specially designated collection and recycling points Please dispose used batteries only at specially designated col...
Страница 16: ...16 DoubleCheck XL 12 2011...
