Chapter 4: Maintenance & Troubleshooting
31
Is power on at any other
product in the system?*
Is the display lit?
Is the display lit?
Are the instrument
buttons back-lit?
Are the instrument
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 instrument, carry
out switch-on procedure
Check display brightness
setting and adjust as
necessary (see
Operating
Guide
)
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
If possible, use the
About
Display
feature to get product
information.
* The system to which the instrument is connected
(either SeaTalk, SeaTalk or SeaTalk )
2
ng
81284_1.book Page 31 Friday, May 4, 2007 7:29 AM
Summary of Contents for ST70 Instrument
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