Power On Log - Furuno FS-1575 Service Manual

6.6.4 POWER ON LOG

This menu is used to record a maximum of 10 logs of date and time on and at which the
power turned ON and, when the number of logs recorded exceeds "10," the logs are
erased in the order in which they were recorded.
To erase POWER ON LOG, select
• [MENU] -> 9.SERVICE -> 4.RESTORE FACTORY SETTINGS, or
• CLEAR ALL (Set "S1" on the T-IF board to "ON," and then enter the password.)
The POWER ON LOG displays date and time on and at which ZDA or RTC (ZDA is
given priority) was powered ON and "0x00."
"0x00" represents in hex notation where the error was detected at and where the system
restarted operation from.
Code Startup
0x00 Normal startup
Startup from SH-2A
0x01
MAIN CPU
0x02 Restart from DSP
0x04 Restart from Nios2
0x08 Restart from 78K CPU
Reference)
Watchdogs monitor the programs of MAIN CPU, DSP, Nios2, and 78K CPU of
the T-CPU board whether they have any error in operation. When an error is
detected, the system will restart.
CONFIDENTIAL (internal use only)
This confidential document is used only by FURUNO authorized persons.
It is strictly prohibited to reproduce the document in whole or in part without prior written permission of FURUNO.
Remark
SH-2A is MAIN CPU that controls the whole system.
DSP handles modulation, demodulation, and audio
processing.
Nios2 is mounted on FPGA chip and mainly
performs LAN communication.
Controls NBDP communication.
6-45
6.6 MAINTENANCE LOG