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7. MAINTENANCE, TROUBLESHOOTING
7-9
Network sounder (ETR-6/10N) test
Press the NETWORK SOUNDER TEST soft key at the MEMORY I/O TEST
menu to test the Network Sounder ETR-6/10N. The equipment displays network
sounder program version number, checks the ROM and RAM, and displays
water temperature (appropriate sensor required) and depth. The results of the
ROM and RAM check are shown as OK or NG (No Good). For NG request
service. Press the RETURN soft key to return to the MEMORY I/O TEST menu.
PROGRAM No. 02523060XX
ROM 1, 2 : OK
RAM : OK
TEMPERATURE
: 77°F
DEPTH
: 4000ft
Machine Status +115
XX = Program Version No.
Network sounder test results
ARP test
Not used.