Reset. With the many User Options available to customize the 200DX, it is easy to
configure the unit in such a way that it is detrimental to a particular use.
By using the Reset function, all variable or user-controlled features of the
200DX are returned
to the factory settings.
The Reset function is an important first step in troubleshooting problems to assure that
a user selected setting is not the cause for the perceived problem.
USING THE DIAGNOSTIC FEATURE
The 200DX contains a powerful diagnostic tool that can aid in
determining the cause of a problem.
To use the Diagnostic feature, select the Diagnostic feature
on the start-up menu on the initial screen. Diagnostic can also
be accessed through the Options menu.
Self Test. Initially the 200DX will perform a self-test. This test
confirms the operation of all internal circuitry. At the
conclusion of the test one of two messages will appear.
"Passed" indicates the internal test discovered no failures,
"Failed" indicates a significant internal problem was discovered and the unit requires
factory service. A code number appears that tells repair personnel where the problem
Transducer Connection. The first connection tested is Transducer input. If a
transducer is detected, the message "connected" appears. If a series of dashed lines is
shown no transducer is connected or there is a problem with the transducer or cable.
If you are using multiple transducers, switch between transducers to confirm the
connections for each.