Philips Speechmike 6294 Скачать руководство пользователя страница 67

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Note: Symbol length does not include start and stop characters.

ENABLE CLSI EDITING

(0x01)

DISABLE CLSI EDITING

(0x00)

CLSI Editing
Parameter # 0x36

When enabled, this parameter strips the start and stop characters and inserts a space
after the first, fifth, and tenth characters of a 14-character Codabar symbol.

Содержание Speechmike 6294

Страница 1: ...SPEECHMIKETM SPEECHMIKETM SCANNER 6284 6294 SCANNER ADVANCED SCANNER CONFIGURATION GUIDE PHI 6284 6294 ...

Страница 2: ...FR1040 10 and IEC825 1 1993 A1 1997 EN60825 1 1994 A11 1996 The laser classification is marked near the scanner window on the product Class 1 Laser devices are not considered to be hazardous when used for their intended purpose The following statement is required to comply with US and international regulations Caution Do not try to open the unit Allow only authorized Service technicians to repair ...

Страница 3: ...6 UPC EAN Coupon Code 37 Enable Disable USS 128 39 Enable Disable UCC EAN 128 40 Enable Disable ISBT 128 41 Lengths for Code 128 42 Enable Disable Code 39 43 Enable Disable Trioptic Code 39 44 Convert Code 39 to Code 32 45 Code 32 Prefix 46 Set Lengths for Code 39 47 Code 39 Check Digit Verification 49 Transmit Code 39 Check Digit 50 Enable Disable Code 39 Full ASCII 51 Enable Disable Code 93 52 S...

Страница 4: ...g 68 Enable Disable MSI Plessey 69 Set Lengths for MSI Plessey 70 MSI Plessey Check Digits 72 Transmit MSI Plessey Check Digit 73 MSI Plessey Check Digit Algorithm 74 Laser Clipping Selection 77 Cancel 80 Glossary 83 ...

Страница 5: ...ibes the programmable parameters provides bar codes for programming and hexadecimal equivalents for host download programming Operational Parameters The 6284 is shipped with the default settings shown in Table 1 These default values are stored in non volatile memory and are preserved even when the scanner is powered down You can change the default values by Scanning the appropriate bar codes inclu...

Страница 6: ...amble 0x23 System Character UPC E1 Preamble 0x24 System Character Convert UPC E to A 0x25 Disable Convert UPC E1 to A 0 x26 Disable EAN 8 Zero Extend 0x27 Disable Convert EAN 8 to EAN 13 Type 0xE0 Type is EAN 13 UPC EAN SecurityLevel 0x4D 0 UPC EAN Coupon Code 0x55 Disable Code 12 8 USS 128 0x08 Enable UCC EAN 128 0x0E Enable ISBT 128 0x54 Enable Parameter Parameter Number Default Page Number Tabl...

Страница 7: ...Check Digit 0x2B Disable Code 39 Full ASCII Conversion 0x11 Disable Code 93 Code 93 0x09 Disable SetLength s for Code 93 0x1A 0x1B 4 55 Interleaved 2of 5 Interleaved2 of 0x06 Enable Set Length s for I2 of 5 0x16 0x17 14 I 2 of 5 CheckDigit Verification 0x31 Disable Transmit I 2of 5 Check Digit 0x2C Disable Parameter Parameter Number Default Page Number Table 1 Default Table Continued 5 43 44 45 46...

Страница 8: ...g 0x3 Disable MSIPlessey MSI Plessey 0x0B Disable Set Length s for MSIPlessey 0x1E 0x1F 6 55 MSI Plessey Check Digits 0x32 One TransmitMSI Plessey Check Digit 0x2E Disable MSI Plessey Check Digit Algorithm 0x33 M od 10 Mod 10 Parameter Parameter Number Default Page Number Table 1 Default Table Continued Data Options Transmit Code ID Character 0x2D None Scan Angle ScanAngle 0xBF Normal Width 60 61 ...

Страница 9: ...9 Set Default Parameter SET ALL DEFAULTS Scanning this bar code returns all parameters to the values listed in Table 1 on page 5 ...

Страница 10: ...10 LOW FREQUENCY 0x02 MEDIUM FREQUENCY 0x01 HIGH FREQUENCY 0x00 Beeper Tone Parameter 0x91 To select a decode beep frequency tone scan the appropriate bar code ...

Страница 11: ...u want the unit to beep after a good decode BEEP AFTER GOOD DECODE 0x01 DO NOT BEEP AFTER GOOD DECODE 0x00 Scan this symbol if you want the unit not to beep after a good decode The beeper still operates during parameter menu scanning and indicates error conditions ...

Страница 12: ...Transmit No Read Message Parameter 0x5E When enabled if a symbol does not decode NR is transmitted Any prefix or suffixes which have been enabled are appended around this message When disabled if a symbol does not read nothing is sent to the host ...

Страница 13: ...ar code below Note that the Set Defaults parameter bar code will still be decoded To enable decoding of parameter bar codes either scan ENABLE PARAMETER SCANNING SET ALL DEFAULTS or set this parameter to 0x01 via a serial command ENABLE PARAMETER SCANNING 0x01 DISABLE PARAMETER SCANNING 0x00 ...

Страница 14: ...6284 offers four levels of decode security for linear code types e g Code 39 Interleaved 2 of 5 Higher security levels are selected for decreasing levels of bar code quality As security levels increase the scanner s aggressiveness decreases Select the security level appropriate for your bar code quality Linear Security Level 1 The following code types must be successfully read twice before being d...

Страница 15: ...R SECURITY LEVEL 2 0x02 Linear Security Level3 Code types other than the following must be successfully read twice before being decoded The following codes must be read three times LINEAR SECURITY LEVEL 3 0x03 Code Type Length All A ll Code Type Length MSI Plessey 4 or less D 2 of 5 8 or less I 2 of 5 8 or less ...

Страница 16: ...16 Linear Security Level4 The following code types must be successfully read three times before beingdecoded LINEAR SECURITY LEVEL 4 0x04 Code Type Length All All ...

Страница 17: ...Y 0x00 Bi directional Redundancy Parameter 0x43 This parameter is only valid when a Linear Code Type Security Level has been enabled see page 14 When this parameter is enabled a bar code must be successfully scanned in both directions forward and reverse before being decoded ...

Страница 18: ...18 UPC EAN Enable Disable UPC A Parameter 0x01 To enable or disable UPC A scan the appropriate bar codebelow ENABLE UPC A 0x01 DISABLE UPC A 0x00 ...

Страница 19: ...19 Enable Disable UPC E Parameter 0x02 To enable or disable UPC E scan the appropriate bar code below ENABLE UPC E 0x01 DISABLE UPC E 0x00 ...

Страница 20: ...20 Enable Disable UPC E1 Parameter 0x0C To enable or disable UPC E1 scan the appropriate bar code below ENABLE UPC E1 0x01 DISABLE UPC E1 0x00 ...

Страница 21: ...21 Enable Disable EAN 8 Parameter 0x04 To enable or disable EAN 8 scan the appropriatebar code below ENABLE EAN 8 0x01 DISABLE EAN 8 0x00 ...

Страница 22: ...22 Enable Disable EAN 13 Parameter 0x03 To enable or disable EAN 13 scan the appropriate bar code below ENABLE EAN 1 3 0x01 DISABLE EAN 1 3 0x00 ...

Страница 23: ...23 Enable Disable Bookland EAN Parameter 0x53 To enable or disable EAN Bookland scan the appropriate bar code below ENABLE BOOKLAND EAN 0x01 DISAB LE BOOKLAND EAN 0x00 ...

Страница 24: ...ted and the 6284 is presented with a UPC EAN plus supplemental symbol the UPC EAN is decoded and the supplemental characters ignored An autodiscriminate option is also available If this option is selected scan Decode UPC EAN Supplemental Redundancy on page 26 then select a value from the numeric bar codes beginning on page 78 A value of 5 or more is recommended Note In order to minimize the riskof...

Страница 25: ...25 Decode UPC EAN Supplementals cont d DECODE UPC EAN WITH SUPPLEMENTALS 0x01 IGNORE UPC EAN WITH SUPPLEMENTALS 0x00 AUTO DISCRIMINATE UPC EAN SUPPLEMENTALS 0x02 ...

Страница 26: ...fore transmission The range is from 2 to 20 times Five or above is recommended when decoding a mix of UPC EAN symbols with and without supplementals and the autodiscriminate option is selected Scan the bar code below to select a decode redundancy value Next scan two numeric bar codes beginning on page 78 Single digit numbers must have a leading zero If you make an error or wish to change your sele...

Страница 27: ...ansmit UPC A Check Digit Parameter 0x28 Scan the appropriate bar code below to transmit the symbol with or without the UPC A check digit TRANSMIT UPC A CHECK DIGIT 0x01 DO NOT TRANSMIT UPC A CHECK DIGIT 0x00 ...

Страница 28: ...Tr ansmit UPC E Check Digit Parameter 0x29 Scantheappropriate bar code below to transmitthesymbolwith or without the UPC E check digit TRANSMIT UPC E CHECK DIGIT 0x01 DO NOT TRANSMIT UPC E CHECK DIGIT 0x00 ...

Страница 29: ...smit UPC E1 Check Digit Parameter 0x2A Scan the appropriate bar code below to transmit the symbol with or without the UPC E1 check digit TRANSMIT UPC E1 CHECK DIGIT 0x01 DO NOT TRANSMIT UPC E1 CHECK DIGIT 0x00 ...

Страница 30: ...COUNTRY CODE COUNTRY CODE SYSTEM CHARACTER DATA 0x02 Three options are given for lead in characters for UPC A symbols transmitted to the host device transmit system character only transmit system character and country code 0 for USA and no preamble transmitted The lead in characters are considered part of the symbol ...

Страница 31: ...COUNTRY CODE COUNTRY CODE SYSTEM CHARACTER DATA 0x02 Three options are given for lead in characters for UPC E symbols transmitted to the host device transmit system character only transmit system character and country code 0 for USA and no preamble transmitted The lead in characters are considered part of the symbol ...

Страница 32: ...EM CHARACTER DATA 0x02 UPC E1 Preamble Parameter 0x24 Three options are given for lead in characters for UPC E1 symbols transmitted to the host device transmit system character only transmit system character and country code 0 for USA and no preamble transmitted The lead in characters are considered part of the symbol ...

Страница 33: ...r 0x25 This parameter converts UPC E zero suppressed decoded data to UPC A format before transmission After conversion data follows UPC A format and is affected by UPC A programming selections e g Preamble Check Digit Scanning DO NOT CONVERT UPC E TO UPC A allows you to transmit UPC E zero suppressed decoded data ...

Страница 34: ...r 0x26 This parameter converts UPC E1 zero suppressed decoded data to UPC A format before transmission After conversion data follows UPC A format and is affected by UPC A programming selections e g Preamble Check Digit Scanning DO NOT CONVERT UPC E1 TO UPC A allows you to transmit UPC E1 zero suppressed decoded data ...

Страница 35: ...eter is enabled five leading zeros are added to decoded EAN 8 symbols to make them compatible in format to EAN 13 symbols Disabling this parameter returns EAN 8 symbols to their normal format ENABLE EAN ZERO EXT END 0x01 DISABLE EAN ZERO EXTEND 0x00 ...

Страница 36: ...en EAN Zero Extend is enabled this parameter gives you the option of labeling the extended symbol as either an EAN 13 bar code or an EAN 8 bar code This affects Transmit Code ID Character and DECODE_DATA message When EAN Zero Extend is disabled this parameter has no effect on bar code data ...

Страница 37: ...C EAN Security Level Parameter 0x4D The 6284 offers four levels of decode security for UPC EAN bar codes Increasing levels of security are provided for decreasing levels of bar code quality There is an inverse relationship between security and scanner aggressiveness so be sure to choose only that level of security necessary for any given application UPC EAN Security Level 0 This is the default set...

Страница 38: ...rity level UPC EAN Security Level 3 If you have tried Security Level 2 and are still experiencing misdecodes select this security level Be advised selecting this option is an extreme measure against mis decoding severely out of spec bar codes Selection of this level of security significantly impairs the decoding ability of the scanner If this level of security is necessary you should try to improv...

Страница 39: ...N COUPON CODE 0x00 UPC EAN Coupon Code Parameter 0x55 When enabled this parameter decodes UPC A UPC A with 2 supplemental characters UPC A with 5 supplemental characters and UPC A EAN128 bar codes Autodiscriminate UPC EAN Supplementals must be enabled ...

Страница 40: ...40 Code 128 Enable Disable USS 128 Parameter 0x08 To enable or disable Code 128 scan the appropriate bar code below ENABLE USS 128 0x01 DISAB LE USS 128 0x00 ...

Страница 41: ...N 128 0x01 DISABLE UCC EAN 128 0x00 Enable Disable UCC EAN 128 Parameter 0x0E To enable or disable UCC EAN 128 scan the appropriate bar code below See Appendix A Miscellaneous Code Information for details on UCC EAN 128 ...

Страница 42: ...8 Parameter 0x54 To enable or disable ISBT 128 scan the appropriate bar code below ENABLE ISBT 12 8 0x01 DISAB LE ISBT 12 8 0x00 Lengths for Code 128 No length setting is requ iredfor Code 128 The default setting is Any Length ...

Страница 43: ...43 Code 39 Enable Disable Code 39 Parameter 0x00 To enable or disable Code 39 scan the appropriatebar code below ENABLE CODE 39 0x01 DISABLE CODE 39 0x00 ...

Страница 44: ... 0x00 Enable Disable Trioptic Code 39 Parameter 0x0D Trioptic Code 39 symbols always contain six characters Trioptic Code 39 and Code 39 Full ASCII should not be enabled simultaneously To enable or disable Trioptic Code 39 scan the appropriate bar code below ...

Страница 45: ...if you want to convert Code 39 to Co de 32 CONVERT CODE 39 TO CODE 32 ENABLE 0x01 Note Code 39 must be enabled in order for this parameter to function Scan this symbol if you do not want to convert Code 39 to Code 32 DO NOT CONVERT CODE 39 TO CODE 32 DISABLE 0x00 ...

Страница 46: ...Parameter 0xE7 Enable this parameterto add the prefix character A to all Code 32 bar codes Convert Code 39 to Code 32 must be enabled for this parameter tofunction ENAB LE CODE 32 PREFIX 0x01 DISABLE CODE 32 PREFIX 0x00 ...

Страница 47: ...ows you to decode only those codes containing a selected length For example if you select Code 39 One Discrete Length then scan 1 4 only Code 39 symbols containing 14 characters are decoded Numeric bar codes begin on page 78 If you make an error or wish to change your selection scan the CANCEL bar code on page 80 Two Discrete Lengths This option allows you to decode only those codes containing two...

Страница 48: ...mbols containing between 4 and 12 characters first scan Code 39 Length Within Range Then scan 0 4 1 and 2 single digit numbers must always be preceded by a leading zero Numeric bar codes begin on page 78 If you make an error or wish to change your selection scan the CANCEL bar code on page 80 Any Length Scanning this option allows you to decode Code 39 symbols containing any number of characters ...

Страница 49: ...ode 39 Check Digit Verification Parameter 0x30 When enabled this parameter checks the integrity of a Code 39 symbol to ensure it complies with specified algorithms Only those Code 39 symbols which include a modulo 43 check digit are decoded when this parameter is enabled ...

Страница 50: ...r 0x2B Scan this symbol if you want to transmit the check digit with the data TRANSMIT CODE 39 CHECK DIGIT ENABLE 0x01 Scan this symbol if you want to transmit the data without the check digit DO NOT TRANSMIT CODE 39 CHECK DIGIT DISABLE 0x00 ...

Страница 51: ...ch as BACKSPACE and RETURN The other 96 are called printable codes because all but SPACE and DELETE produce visible characters Code 39 Full ASCII interprets the bar code special character preceding a Code 39 character and assigns an ASCII character value to the pair For example when Code 39 Full ASCII is enabled and a B is scanned it is interpreted as b J as and H emulates the keystroke BACKSPACE ...

Страница 52: ...52 Code 93 Enable Disable Code 93 Parameter 0x09 To enable or disable Code 93 scan the appropriate bar code below ENABLE CODE 93 0x01 DISABLE CODE 93 0x00 ...

Страница 53: ...a selected length For example if you select Code 93 One Discrete Length then scan 1 4 only Code 93 symbols containing 14 characters are decoded Numeric bar codes begin on page 78 If you make an error or wish to change your selection scan the CANCEL bar code on page 80 Two Discrete Lengths This option allows you to decode only those codes containing two selected lengths For example if you select Co...

Страница 54: ...mbols containing between 4 and 12 characters first scan Code 93 Length Within Range Then scan 0 4 1 and 2 single digit numbers must always be preceded by a leading zero Numeric bar codes begin on page 78 If you make an error or wish to change your selection scan the CANCEL bar code on page 80 Any Length Scanning this option allows you to decode Code 93 symbols containing any number of characters ...

Страница 55: ...Interleaved 2 of5 Enable Disable Interleaved 2 of 5 Parameter 0x06 To enable or disable Interleaved 2 of 5 scan the appropriate bar code below ENABLE INTERLEAVED 2 OF 5 0x01 DISABLE INTERLEAVED 2 OF 5 0x00 ...

Страница 56: ...ected length For example if you select I 2 of 5 One Discrete Length then scan 1 4 the only I 2 of 5 symbols decoded are those containing 14 characters Numeric bar codes begin on page 78 If you make an error or wish to change your selection scan the CANCEL bar code on page 80 Two Discrete Lengths This option allows you to decode only those codes containing two selected lengths For example if you se...

Страница 57: ... range For example to decode I 2 of 5 symbols containing between 4 and 12 characters first scan I 2 of 5 Length Within Range Then scan 0 4 1 and 2 single digit numbers must always be preceded by a leading zero Numeric bar codes begin on page 78 If you make an error or wish to change your selection scan the CANCEL bar code on page 80 Any Length Scanning this option allows you to decode I 2 of 5 sym...

Страница 58: ...T 0x02 I 2 of 5 Check Digit Verification Parameter 0x31 When enabled this parameter checks the integrity of an I 2 of 5 symbol to ensure it complies with a specified algorithm either USS Uniform Symbology Specification or OPCC Optical Product Code Council ...

Страница 59: ...r 0x2C Scan this symbol if you want to transmit the check digit with the data TRANSMIT I 2 of 5 CHECK DIGIT ENABLE 0x01 Scan this symbol if you want to transmit the data without the check digit DO NOT TRANSMIT I 2 of 5 CHECK DIGIT DISABLE 0x00 ...

Страница 60: ...t I 2 of 5 to EAN 13 Parameter 0x52 This parameter converts a 14 character I 2 of 5 code into EAN 13 and transmits to the host as EAN 13 In order to accomplish this the I 2 of 5 code must be enabled one length must be set to 14 and the code must have a leading zero and a valid EAN 13 check digit ...

Страница 61: ...61 Discrete 2 of 5 Enable Disable Discrete 2 of 5 Parameter 0x05 To enable or disable Discrete2 of 5 scan the appropriatebar code below ENABLE DISCRETE 2 OF 5 0x01 DISABLE DISCRETE 2 OF 5 0x00 ...

Страница 62: ...ing 14 characters Numeric bar codes begin on page 78 If you make an error or wish to change your selection scan the CANCEL bar code on page 80 Two Discrete Lengths This option allows you to decode only those codes containing two selected lengths For example if you select D 2 of 5 Two Discrete Lengths then scan 0 2 1 4 the only D 2 of 5 symbols decoded are those containing 2 or 14 characters Numeri...

Страница 63: ...of 5 co des D 2 of 5 ANY LENGTH be preceded by a leading zero Numeric bar codes begin on page 78 If you make an error or wish to change your selection scan the CANCEL bar code on page 80 Any Length Scanning this option allows you to decode D 2 of 5 symbols containing any number of characters ...

Страница 64: ...64 Codabar Enable Disable Codabar Parameter 0x07 To enable or disable Codabar scan the appropriate bar code below ENABLE CODABAR 0x01 DISABLE CODABAR 0x00 ...

Страница 65: ...e containing 14 characters Numeric bar codes begin on page 78 If you make an error or wish to change your selection scan the CANCEL bar code on page 80 Two Discrete Lengths This option allows you to decode only those codes containing two selected lengths For example if you select Codabar Two Discrete Lengths then scan 0 2 1 4 the only Codabar symbols decoded are those containing 2 or 14 characters...

Страница 66: ...be preceded by a leading zero Numeric bar codes begin on page 78 If you make an error or wish to change your selection scan the CANCEL bar code on page 80 Any Length Scanning this option allows you to decode Codabar symbols containing any number of characters ...

Страница 67: ...op characters ENABLE CLSI EDITING 0x01 DISABLE CLSI EDITING 0x00 CLSI Editing Parameter 0x36 When enabled this parameter strips the start and stop characters and inserts a space after the first fifth and tenth characters of a 14 character Codabar symbol ...

Страница 68: ...68 NOTIS Editing Parameter 0x37 When enabled this parameter strips the start and stop characters from decoded Codabar symbol ENABLE NOTIS EDITING 0x01 DISABLE NOTIS EDITING 0x00 ...

Страница 69: ...69 MSI Plessey Enable Disable MSI Plessey Parameter 0x0B To enable or disable MSI Plessey scan the appropriatebar code below ENABLE MSI PLESSEY 0x01 DISABLE MSI PLESSEY 0x00 ...

Страница 70: ... length For example if you select MSI Plessey One Discrete Length then scan 1 4 the only MSI Plessey symbols decoded are those containing 14 characters Numeric bar codes begin on page 78 If you make an error or wish to change your selection scan the CANCEL bar code on page 80 Two Discrete Lengths This option allows you to decode only those codes containing two selected lengths For example if you s...

Страница 71: ...e to decode MSI Plessey symbols containing between 4 and 12 characters first scan MSI Plessey Length Within Range Then scan 0 4 1 and 2 single digit numbers must always be preceded by a leading zero Numeric bar codes begin on page 78 If you make an error or wish to change your selection scan the CANCEL bar code on page 80 Any Length Scanning this option allows you to decode MSI Plessey symbols con...

Страница 72: ...rameter 0x32 These check digits at the end of the bar code verify the integrity of the data At least one check digit is always required Check digits are not automatically transmitted with the data If two check digits is selected an MSI Plessey Check Digit Algorithm must also be selected See page 74 ...

Страница 73: ...0x2E Scan this symbol if you want to transmit the check digit with the data TRANSMIT MSI Plessey CHECK DIGIT ENABLE 0x01 Scan this symbol if you want to transmit the data without the check digit DO NOT TRANSMIT MSI Plessey CH ECK DIGIT DISABLE 0x00 ...

Страница 74: ...gorithm Parameter 0x33 When the Two MSI Plessey check digits option is selected an additional verification is required to ensure integrity Either of the two following algorithms may be selected MOD 10 MOD 11 0x00 MOD 10 MOD 10 0x01 ...

Страница 75: ...e code ID character is inserted between the prefix and the decoded symbol The user may select no code ID character a Symbol Code ID character or an AIM Code ID character The Symbol Code ID characters are listed below A UPC A UPC E UPC E1 EAN 8 EAN 13 B Code 39 Code 32 C Codabar D Code 128 ISBT 128 E Code 93 F Interleaved 2 of 5 G Discrete 2 of 5 or Discrete 2 of 5 IATA J MSI Plessey K UCC EAN 128 ...

Страница 76: ...76 Transmit Code ID Character cont d SYMBOL CODE ID CHARACTER 0x02 AIM CODE ID CHARACTER 0x01 NONE 0x00 ...

Страница 77: ...pping 0x4B Medium Clipping 0x3C Maximum Clipping 0x2D Parameter 0xBF Choose one of the options below to adjust the visible scan width in scanners that support laser clipping The scan width is reduced by software control Laser Clipping Selection ...

Страница 78: ...78 Numeric Bar Codes For parameters requiring specific numeric values scan the appropriately numberedbar code s 0 1 2 3 ...

Страница 79: ...79 Numeric Bar Codes cont d 4 5 6 7 ...

Страница 80: ...80 Numeric Bar Codes cont d 8 9 Cancel If you make an error or wish to change your selection scan the bar code below CANCEL ...

Страница 81: ...81 ...

Страница 82: ...82 ...

Страница 83: ...Rate A measure of the data flow or number of signaling events occurring per second When one bit is the standard event this is a measure of bits per second bps For example a baud rate of 50 means transmission of 50 bits of data per second Bit Binary digit One bit is the basic unit of binary information Generally eight consecutive bits compose one byte of data The pattern of 0 and1 values within the...

Страница 84: ...tution errors when a symbol is decoded CLSI Editing An option which inserts a space after the 1st 5th and 10th characters of a 14 character Codabar symbol Length includes start and stop characters Codabar A discrete self checking code with a character set consisting of digits 0 to 9 and six additional characters Code 128 A high density symbology which allows the controller to encode all 128 ASCII ...

Страница 85: ...intercharacter gaps are not part of the code EAN European Article Number This European International version of the UPC provides its own coding format and symbology standards Element dimensions are specified metrically EAN is used primarily in retail Element Generic term for a bar or space Encoded Area Total linear dimension occupied by all characters of a code pattern including start stop charact...

Страница 86: ...ncoded This continuous code type uses no intercharacter spaces Only numeric 0 to 9 and START STOP characters may be encoded LASER Light Amplification by Stimulated Emission of Radiation The laser is an intense light source Light from a laser is all the same frequency unlike the output of an incandescent bulb Laser light is typically coherent and has a high energy density Laser Diode A gallium arse...

Страница 87: ...t Percent Decode The average probability that a single scan of a bar code would result in a successful decode In a well designed bar code scanning system that probability should approach near 100 Print Contrast Signal PCS Measurement of the contrast brightness difference between the bars and spaces of a symbol A minimum PCS value is needed for a bar code symbol to be scannable PCS RL RD RL where R...

Страница 88: ...een bars Specular Reflection The mirror like reflection of light from a surface which can blind a scanner Start Stop Character A pattern of bars and spaces that provides the scanner with start and stop reading instructions and scanning direction The start and stop characters are normally to the left and right margins of a horizontal code Substrate A foundation material on which a substance or imag...

Страница 89: ...ex numeric symbology Each character consists of two bars and two spaces each of which can be any of four widths The standard symbology for retail food packages in the United States Visible Laser Diode VLD A solid state device which produces visible laser light Laser light emitted from the diode has a wavelength of 670 to 680 nanometers ...

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Страница 91: ......

Страница 92: ... 2003 by Philips Speech Processing Printed in Austria 5103 109 9489 2 T www dictation philips com ...

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