iv HH490 User Guide
Keyboard Style............................................................................................................................................. 16
Keyboard Conversion ............................................................................................................................... 16
Control Character Output ....................................................................................................................... 17
Keyboard Modifiers ................................................................................................................................... 17
RS232 Modifiers ......................................................................................................................................... 19
RS232 Baud Rate ............................................................................................................................... 19
RS232 Word Length: Data Bits, Stop Bits, and Parity ......................................................... 19
RS232 Receiver Time-Out .............................................................................................................. 20
RS232 Handshake ............................................................................................................................. 21
RS232 Timeout ................................................................................................................................... 21
XON/XOFF ............................................................................................................................................ 22
ACK/NAK ............................................................................................................................................... 22
CHAPTER 3 - INPUT/OUTPUT SETTINGS ........................................................ 23
Power Up Beeper ........................................................................................................................................ 23
Beep on BEL Character ........................................................................................................................... 23
Trigger Click ................................................................................................................................................. 24
Good Read and Error Indicators .......................................................................................................... 24
Beeper – Good Read ......................................................................................................................... 24
Beeper Volume – Good Read ......................................................................................................... 24
Beeper Pitch – Good Read .............................................................................................................. 25
Beeper Pitch – Error .......................................................................................................................... 25
Beeper Duration – Good Read ...................................................................................................... 25
LED – Good Read ............................................................................................................................... 26
Number of Beeps – Good Read .................................................................................................... 26
Number of Beeps – Error ................................................................................................................ 26
Good Read Delay ................................................................................................................................ 27
User-Specified Good Read Delay ................................................................................................ 27
Trigger Modes ............................................................................................................................................. 27
Manual Trigger.................................................................................................................................... 27
Serial Trigger ........................................................................................................................................ 28
Presentation Mode .................................................................................................................................... 28
Presentation LED Behavior after Decode ................................................................................ 29
Presentation Centering ................................................................................................................... 29
Poor Quality Codes .................................................................................................................................... 31
Poor Quality 1D Codes ..................................................................................................................... 31
Poor Quality PDF Codes .................................................................................................................. 31
Low Resolution PDF Codes ............................................................................................................ 32
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