Hand Held Products SV Series User Manual

Contents

6 - 26 Quick Check® SV Series User’s GuideWhen using ScanView menus to program SV parameters, set ~De0 for normal~HT reply or an error message may be displayed.~SCExecute the calibration procedure.The SV unit responds to this command as follows:CP505050 is transmitted if the calibration is successful.CF000000 is transmitted if the calibration was unsuccessful~Sc (lowercase c)Set Scanner Gain and Offset for symbol that is in the laser beamThis command automatically sets the scanner gain and offset to a bar code thatis in the laser beam. Place the SV unit in moving codes mode to use thiscommand. In some cases where more than two reflectance levels are in thebeam (caused by color graphics, etc.), this command will be unsuccessful. Inthose instances, use the ~Hd commands to set scanner gain and offset.~SDDisable VerificationThis command turns the laser beam off.~SEEnable VerificationThis command turns the laser beam on.~SK#Communication SyncA sync command sent via serial communications can be used similar to anexternal sync input to analyze a no read condition. In previous versions of SVfirmware the only way to create a no read transmission or no read control outputfrom an SV unit is by detecting an external sync through inputs on pin 1,2(Isolated) or on pin 4 (ttl) of the Power I/O connector.# = 0 or 1. Details of how the values are used in conjunction with othercommands as follows:1. Command ~LT# includes an ~LT2 choice to allow ~SK# as the sync input2. ~SK# will be received but not cause any action if either ~LT0 or ~LT1 is set.3. An external sync input will not be recognized if ~LT2 is set