2. OPERATION
2-32
[LAN ERROR LOG]
The [LAN ERROR LOG] counts LAN errors, filing the errors in one of six error groups.
The table below shows the error groups along with possible causes for their errors.
Press and hold the ENT key to clear the [LAN ERROR LOG].
2.15.5 How to restart heading output
In cases where the heading signal is lost or interrupted, the SC-70/SC-130 can restart
signal output. There are two methods, [AUTO] and [MANUAL].
1. Open the [MENU].
2. Select [I/O], then press the ENT key.
3. Select [MISCELLANEOUS], then press the ENT key.
4. Select [HDG OUTPUT RESTART], then press the ENT key. An options pop up
window appears.
5. Select [AUTO] or [MANUAL] as appropriate, then press the ENT key.
Note: The default setting is [AUTO]. Select [MANUAL] depending on connected
equipment.
6. Close the [MENU].
Error Possible cause(s)
[INCORRECT
SENTENCE]
• Sentence in TAG block has an error.
• CHECKSUM error.
• Sentence does not meet NMEA0183 standards.
[TAG BLOCK FRAMING
ERROR]
Unexpected transmission start/stop in TAG block.
[TAG SYNTAX ERROR] • One or more errors in TAG block.
• Data length is too long or too short.
• Delimiter is in use.
• Use of incorrect characters.
[TAG BLOCK
CHECKSUM ERROR]
TAG block has one or more CHECKSUM errors.
[INCORRECT TAG
BLOCK]
One or more instances of the following:
• Incorrect talker used.
• Incorrect SFI used.
• Incorrect parameters (g, s, p, n, t) used.
[INVALID HEADER] One or more instances where the following are not included:
• UdPbC
• RaUdP
• RrUdP
[AUTO] : Automatically restart heading output when the signal is restored.
[MANUAL] : When the heading signal is lost, an alert message and audible alert
are released. If the heading signal output is restored, the message
"HDG DATA OUTPUT HAS BEEN RESTARTED." is shown. Press
the ENT key to resume the signal output.
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