Furuno FM-8800D Service Manual page 189

1.2 MEMORY TEST
There is no need to select RAM, ROM and EEPROM
separately to carry out a memory test. Just open a window
shown on the right and the test results show in it.
- RAM : is a test for U31 on CPU board and checks
Read/Write. RAM is used for CPU working
area.
- ROM : is a test for ROM for built-in U30 on CPU board and checks the
checksum. Main program is stored in ROM.
- EEPROM : is a test for U29 on CPU board that checks the checksum.
System setup value and communication log are stored in EEPROM.
1.3 PRINTER
Enter this menu and connect a printer. If you press ENT key, "FM-8800 PRINTER
TEST" will be printed out.
NOTE:
Printer: individual test for PP-510
- Turn on the power whiling pressing LF key:
Printer's self-test will print out all of characters until you turn the power off.
!"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKL
- Turn on the power while pressing NLQ:
DIP SWITCH SETTINGS PRINT OUT will be carried out
Printer: individual test for
For test printing:
1. Turn on the printer while pressing and holding down FEED switch.
2. All characters are printed out and then five line pattern is printed.
The printer is on-line after test printing.
- In case of PE during the test printing, returns to the state of PE after
printing a line.
- To cancel the test printing, press SEL switch. It stops printing and
changes to ON LINE in a few moments.
μ
TP-80F
8-9
8.3 T/A, TEST, RESET DSP
*** MEMORY TEST ***
ALL
RAM OK
ROM OK
EEPROM OK
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