Chapter 4: Maintenance and troubleshooting 37
Figure 4-1 ST70 troubleshooting – Chart 1
Is power on at any other
product in the system?*
Is the display lit?
Is the display lit?
Are the pilot buttons
back-lit?
Are the pilot buttons
back-lit?
Switch on power to the
system
Is problem still
present?
Return to
normal
operation
Return to
normal
operation
Return to
normal
operation
At faulty pilot, carry out
switch-on procedure
Check display brightness
setting and adjust as
necessary (see Operating
Guide)
* The system to which the instrument is connected (either
SeaTalk, SeaTALK or SeaTalk )
Obtain
technical
assistance
Return to
normal
operation
Ensure all system
connections are made
satisfactorily
Nothing on
screen
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
Is problem still
present?
ST70 user troubleshooting
Chart 1
D9524-1
Use the About Display & About
System features to get
information about your products.
2
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