typical value

ANTENNA STATUS

: OK(47)#

HEADING

: OK

BEARING

: OK

 

 

 

(24.0rpm)*

TUNE :

 

 

 

 

 

 

TOTAL ON TIME

: 00000h

TOTAL TX TIME

: 00000h

INPUT NMEA

RMA RMB RMC BWC GLL GGA

MTW VTG VHW XTE VBW DPT

DBK DBS DBT HDT HDG HDM

BWR GLC GTD MWV ZDA

[MENU/ESC]: Exit.

* 24.0 = Long range 31.0 = Medium range

41.0= Short range

#= Status code. For service technician.

Antenna test results

The antenna unit and heading and bearing signals are checked, and the results shown as OK or NG (No Good). For any NG, contact your dealer for advice. Antenna unit RPM appears below the bearing signal test result.

Note: The result of ANTENNA STATUS is shown as “NG (0)” whenever opening the antenna test result screen. For confirming the ANTENNA STATUS correctly, press the [MENU/ESC] key, ► in order to redisplay the test result screen.

The “TUNE” bar shows radar receiver tuning status. Total on time and total TX times appear below the TUNE bar. Data sentences currently input to the radar are highlighted in the “INPUT NMEA” window.

2.5 Test Pattern

This feature tests for proper display of tones.

1. Turn on the power while pressing and holding down the [MENU/ESC] key. Continue pressing the [MENU/ESC] key until the Installation menu appears.

2.Press ▼ to choose LCD PATTERN.

3.Press ► to start the test. The entire screen is black.

4.Press the [MENU/ESC] key and the screen turns white.

2.MAINTENANCE, TROUBLESHOOTING

5.Press the [MENU/ESC] key again and the screen shows a four-tone display.

6.Press the [MENU/ESC] key again to return to the Installation menu.

7.To restore normal operation, turn off the power and then turn it on again.

BLACK

WHITE

 

 

FOUR-TONE

 

 

Press

 

Press

 

 

 

 

 

 

 

[MENU/

 

[MENU/

 

 

 

 

 

 

 

ESC].

 

ESC].

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Test patterns

2.6 Clearing the Memory

You may want to clear the memory to start afresh with default settings. You can do this as follows:

1. Turn on the power while pressing and holding down the [MENU/ESC] key. Continue pressing the [MENU/ESC] key until the Installation menu appears.

2.Press ▼ to choose MEMORY CLEAR.

3.Press ►.

4.Press ▲ to choose YES.

5.To restore normal operation, turn the power off and then turn it on again.

2.7 Replacing the Magnetron

When the magnetron has expired, distant targets cannot be seen on the display. When you feel long range performance has decreased, contact a FURUNO agent or dealer about replacement of the magnetron. (Type: E3588, Code No: 000-142-270)

2.8Replacing the Synchro Belt

When the synchro belt has worn out, the sweep is not synchronized with antenna rotation, which results in an abnormal picture. When you suspect that the synchro belt has worn out, contact a FURUNO agent or dealer about replacement. (Type: 40 S2M 266UG, Code No: 000-808-743)

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Furuno 1623 manual Test Pattern, Clearing the Memory, Replacing the Magnetron, Replacing the Synchro Belt