USING THE TRACKER UNIT
USING THE DIAGNOSTIC FEATURE
Another frequent use of depth offset is to show the depth beneath the deepest point of the hull. A negative value equal to the distance from the transducer location and the deepest point of the hull will have the same effect as mounting the transducer at the deepest point.
Depth offset is remembered after power is disconnected.
Reset. With the many User Options available to cus- 
tomize the Tracker unit, 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 
features of the Tracker unit 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 prob- lem.
USING THE DIAGNOSTIC FEATURE
The Tracker unit contains a powerful diagnostic tool that can aid in deter- mining the cause of a problem.
To use the Diagnostic feature, select the Diagnostic feature on the
Self Test. Initially, the Tracker unit will perform a self- test. This test confirms the operation of all internal cir- cuitry. At the conclusion of the test, one of two mes-
sages 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.
Transducer Connection. The first connection tested is
Transducer input. If a transducer is detected, the mes-
19
