User guide
Clarity - Getting Started   Troubleshooting 
58 
7.4.2  Rockey LPT dongle (re)installation 
If you encounter problems with printer port 
Rockey hardware key, then: 
•  Verify that the key is properly inserted in the 
printer port. 
•  In filemanager (e.g. Windows Explorer) navigate 
to 
C:\CLARITY\HW_DRIVERS\ROCKEY\ 
•  Run the 
INSTDRV.EXE file to invoke the Setup 
Wizard
. 
•  Select Repair in the first dialog and click Next. 
•  In the second dialog check the "Install parallel 
driver" checkbox. 
•  Select the "Detect the parallel business" 
radiobutton and click the Next button. 
•  In the third dialog, click the Complete button. 
•  You will be asked to Restart Windows. 
7.4.3  Sentinel dongle installation 
Untill Clarity 2.4.1 the dongle had to be 
installed
 and present in the PC only when 
using either the Clarity Offline version or 
when using digital acquisition (e.g. via control 
module) without an A/D converter. Later 
versions always require dongle. 
Printer port dongle 
The drivers are automatically installed during 
the installation of Clarity station. 
Plug in the dongle in the the printer port 
(between the printer port and any potential 
printer). 
USB dongle 
Caution!  Do not insert the Sentinel USB token before 
prompted to do so by the Sentinel Installer. 
•  Run the SENTINEL PROTECTION INSTALLER 7.3.2.EXE 
program found in the 
\HW_DRIVERS\SENTINEL 
directory of your Clarity CD. 
•  Connect the USB token to a USB port on the 
computer when prompted to do so. 










