E. Maintenance and Service Instructions
E.4. Calibration and Calibration Interval
The recommended calibration interval is 1 year, and operator performance checks should be
completed every 6 months. See Appendix B for instructions on how to determine if your instrument
should be calibrated between scheduled calibrations. Contact MOHR to schedule calibration.
E.5. Install CT100B License
The CT100B license can be installed on the device using either CT Viewer 2 or a USB flash drive.
E.5.1 Install License Using CT Viewer 2
1. On a computer with CT Viewer 2 installed, start up CT Viewer 2 by double-clicking on the
icon.
2. Power on the CT100B and let it boot completely.
3. Connect the CT100B to the computer using either USB or Ethernet from the back of the
device. See Section 6 for instructions on connecting to a CT100B over Ethernet.
4. In CT Viewer 2, click on Help → Install License.
5. Select the license file sent by MOHR.
6. Click OK.
7. After receiving a message of a successful install, restart the device.
E.5.2 Install a License Using a USB Flash Drive
Note: If multiple license files are on a USB flash drive, the CT100B will reject the file. Make sure
the intended license file is the only MOHR license file on the drive.
1. Copy the file to an empty USB flash drive. (Do not change the file name.)
2. Power on the CT100B device and let it boot completely.
3. Attach the USB flash drive to a front USB port on the CT100B.
4. Push the blue button (MENU button) to bring up the Main menu.
5. Using the soft-menu buttons, navigate to Settings → Info → License → License from USB.
6. After receiving a message of a successful install, restart the device.
E.6. Clean Storage
The CT100B has a large storage capacity, but if more space is needed, perform the following steps
to clean the internal storage of the CT100B.
1. Delete saved traces following the instructions in Section 4.9.5.2. If desired, first archive the
traces by transferring them to CT Viewer 2.
2. After removing the scans, clean the database with Settings → Diagnostics → Database →
Clean Database.
128 CT100B TDR Cable Analyzers Operator’s Manual
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