ADVANCED FEATURES
USING THE DIAGNOSTIC FEATURE
Reset. With the many User Options available to 
customize the 350TX, 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 (except Filter) of the 350TX are 
returned to the factory settings.
The Reset function is an important first step in
troubleshooting problems to ensure that a user selected setting is not the cause for the perceived problem.
USING THE DIAGNOSTIC FEATURE
The 350TX 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
Self Test. Initially, the 350TX will perform a 
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 is located.
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.
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