Furuno NAVNET 1752C - Manual (Page 227)

7. MAINTENANCE, TROUBLESHOOTING
7-9
Network sounder (ETR-6/10N, ETR-30N) test
Press the NETWORK SOUNDER TEST soft key at the MEMORY I/O TEST
menu to test the Network Sounder ETR-6/10N or ETR-30N. 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.
For ETR-6/10N
(0252310XX.XX for ETR-30N)
Network sounder test results
ARP test
Not used.