Checking the status of the transceiver boards
The purpose of the BITE (Built-In Test Equipment) dialog box is to allow on-line testing and verification of the hardware components in the SU90 system. The Transceiver page offers key information about each transceiver board in the Transceiver Unit.
Prerequisites
Neither tools nor instruments are required.
Context
By means of the BITE functionality, you can easily determine if the hardware components in the SU90 system are operational. And most important, you can make sure that all the transceivers channels and transducer elements are functional. Each button provides a small colour coded indicator.
•  No indicatorStatus is OK. No actions are necessary.
•  YellowThis is a warning. A closer investigation is recommended.
•  RedThis is an alarm. A closer investigation is required.
•  BlueA device monitored by the diagnostic system is disabled.
•  GreyNo information is available.
Note
The BITE dialog box and functionality is only provided for performance monitoring. The functionality offered by the dialog box is not required for normal use of the SU90 system. The dialog box does not permit you to change any operational settings.
Procedure
1 Make sure that you have sufficient water depth below the keel before you lower the transducer.
2 Lower the transducer to its bottom position.
3 Select the default settings.
a On the Main menu, select User Settings.
b Observe the Factory Settings list.
c Select the setting you want to use.
d Select Activate Selected Setting.
e Select OK to apply your changes and close the User Settings dialog box.
4 Make the following preparations.
a On the Main menu: Set Range to 1500 m.
b On the Operation menu: Set Tx Power to Maximum (or any other power rating) to start pinging.
c On the Setup menu: Open the BITE (Built-In Test Equipment) dialog box.
5 Select Transceiver to open the page.
The Transceiver page provides a graphic presentation of the 12 transceiver boards. The visual presentation reflects the physical location of the boards in the Transceiver Unit. Only static information is provided. The Board Information parameters offer key information about the supply power to the selected transceiver board, as well as the environmental conditions.
To select a transceiver board, click the "button". Relevant information about the selected transceiver board is provided under Board Information.
To disable or enable a transceiver board, right-click the "button" and use the short-cut menu.
Each button provides a small colour coded indicator.
•  No indicatorStatus is OK. No actions are necessary.
•  YellowThis is a warning. A closer investigation is recommended.
•  RedThis is an alarm. A closer investigation is required.
•  BlueA device monitored by the diagnostic system is disabled.
•  GreyNo information is available.
6 Make sure that all the 12 transceiver boards are fully functional.
7 Finish the test.
a Close the BITE (Built In Test Equipment) dialog box.
b Set Tx Power to Off.
c Hoist the transducer back up to its upper position.