Furuno GP-1850DF - Manual (Page 45)

4-7
GN gasket
Shield gaskets
Figure 4-10 Inside of the cover
Checking the DGPS installation
1. Press the [MENU] key.
2. Press the software key labeled "CONFIGURATION".
3. Press the software key labeled "SYSTEM MENU".
4. Press the software key labeled "SELF TEST".
5. Press the software key labeled "MEMORY•I/O TEST" to display the following
message.
PROGRAM : OK
NO. 14518310XX
RETURN
INTERNAL
BATTERY : OK
GPS
RECEIVER : OK
NO. 48502060XX
BEACON
RECEIVER : OK
NO. 0850182-0XX
NO. PORT1 : OK*
PORT2 : OK*
DRAM : OK
SRAM : OK
TEST
*: Special connections are required to check these port.
Otherwise, "--" (bar) appears.
Figure 4-10 Memory, I/O Test Display
6. Confirm that "BEACON RECEIVER: OK" is displayed.
7. Press the soft key labeled "RETURN".
8. Press the [PLOT] key to return the plotter display.