Tokyo Keiki TG-8000 Series, Operator'S Manual

Page: 11 / 105

(9)
(25) Warning regarding system selection (See page 3-19.)
CAUTION
●
System selection (switching) may cause large change of the true heading. During the
automatic steering, once turn the steering mode of the automatic steering system to
"MANUAL" to prevent a large course changing, and after confirming surrounding safety
of own ship, turn to "AUTO" steering again.
(26) Warning regarding Operation procedure of master compass power switch (Option)
(See page 3-19.)
CAUTION
●
DO NOT touch the master compass power switch while the gyrocompass runs
normally to prevent the sensitive element from serious damage which may cause
reducing the life time or unexpected trouble.
The master compass power switch must be operated only when the master compass is
in abnormal condition.
(27) Warning regarding alert (See page 3-20.)
CAUTION
●
When the following alerts are generated, the heading information from this system may
not be outputted at all or may have large error.
All units operated by the heading information from this system (in particular, the
automatic steering system, etc.) should be immediately operated according to the
individual emergency operating procedure.
(28) Warning regarding countermeasures when GNSS communication abnormality is generated
(See page 3-24.)
CAUTION
●
When an alert related to GNSS (alert code "c" or "d") is generated and the true heading
of the gyrocompass has not been determined, once turn the steering mode to
"MANUAL" or "Non Follow Up", then determine the true heading because erroneous
heading information (repeater signal and serial signal) is possible to be outputted to the
outside. Refer to
“3.4.5 (2) Countermeasures when GNSS communication abnormality
is generated" in Chapter 3 Operating Method, for determination method of the true
heading.
(29) Warning regarding countermeasures when GNSS communication abnormality is generated
(See page 3-24.)
CAUTION
●
Determination of the true heading may cause large change of the outputted heading
information. During the automatic navigation, great care should be taken because
large course change may be happened.