Hand Held Products SV Series User Manual page 74

When using ScanView menus to program SV parameters, set ~De0 for normal
~HT reply or an error message may be displayed.
~SC
Execute 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 beam
This command automatically sets the scanner gain and offset to a bar code that
is in the laser beam. Place the SV unit in moving codes mode to use this
command. In some cases where more than two reflectance levels are in the
beam (caused by color graphics, etc.), this command will be unsuccessful. In
those instances, use the ~Hd commands to set scanner gain and offset.
~SD
Disable Verification
This command turns the laser beam off.
~SE
Enable Verification
This command turns the laser beam on.
~SK#
Communication Sync
A sync command sent via serial communications can be used similar to an
external sync input to analyze a no read condition. In previous versions of SV
firmware the only way to create a no read transmission or no read control output
from 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 other
commands as follows:
1. Command ~LT# includes an ~LT2 choice to allow ~SK# as the sync input
2. ~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
6 - 26 Quick Check® SV Series User's Guide