Furuno 1834C-BB - Manual (Page 200)

8. MAINTENANCE, TROUBLESHOOTING
8-7
8.8 Diagnostics
This paragraph provides the procedures for testing the equipment for proper operation.
Four tests are provided: Memory I/O test, Keyboard test, Remote controller test, and Test
pattern.
8.8.1 Memory I/O test
The memory I/O test provides for individual testing of the processor unit, control unit, GPS
Receiver GP-310B/320B, Network Sounder ETR-6/10N, ETR-30N and ARP, displaying
program number and checking for proper operation.
1. Press the MENU key to show the menu.
2. Press the E: SYSTEM CONFIGURATION soft key.
3. Press the C: SYSTEM SETUP soft key.
4. Press the B: TEST & CLEAR soft key.
5. Press the A: MEMORY I/O TEST soft key.
MEMORY
I/O TST
* = Requires GPS Receiver GP-310B/320B.
** = Requires Network Sounder ETR-6/10N or ETR-30N.
*** = Requires ARP-equipped Model
18x4-BB/19x4-BB series network radar.
ARP TEST*** D
NETWORK SOUNDER TEST** C
GPS SENSOR TEST* B
PROCESSOR UNIT TEST A
RETURN E
MEMORY I/O TEST menu
7. Then, press appropriate soft key to start a diagnostic test.