Troubleshooting
Page 112 Acterna ANT-5
• If a PC card has been used, ensure that it has been formatted with an MS-DOS
compatible file system. If the card can be read normally by a PC with a suitable slot,
then it is possible that there is a problem with the ANT-5. See Section 3.2.6.
If the failure continues please refer to Section 8, Customer support, and contact the
nearest Acterna Sales Office or Technical Assistance Centre.
If it is necessary to send the ANT-5 for repair, the storage card should be included if
possible.
7.4 Screen dump fails
If a screen dump fails to be saved in a file or sent to the serial port, the Screen Dump
feature may have been set to DISABLED in the Printer section of the System menu.
The settings used for the other parameters in the Printer and Serial Port sections
should also be checked.
7.5 Errors caused by poor optical connections
Unexplained errors may be caused by poorly aligned or dirty optical connectors. If this
problem is suspected, remake the optical connections as follows:
WARNING: Invisible laser radiation.
Note: Read the safety information in Section 1.8.3, Laser safety, before proceeding.
1. Deactivate the ANT-5 laser source (Tx), by clearing the Laser On checkbox in the
Interface Setup Tx panel. See Section 4.4.2 for further details.
2. Deactivate the incoming laser source connected to the Rx connector of the ANT-5.
3. Unscrew each patch lead and lift it away to break the connection.
4. Clean the ANT-5 connectors and patch lead connectors by an approved method
such as those outlined in Section 1.8.4, Cleaning optical connectors.
5. Holding the ANT-5 in a vertical position with the rear connectors facing upwards,
carefully locate and screw on the patch lead connectors making sure that each
locating lug is in the correct position and the patch lead is held straight.
6. Re-activate the laser sources after both patch leads have been reconnected.
7.6 Battery performance and conditioning
If the ANT-5 battery is put through a large number of incomplete cycles of charging
and discharging, the process of monitoring the charge level will gradually become less
certain. The Battery Level indicator will warn of this situation by displaying the
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