Furuno FR-8251 Manual De Usuario
4 – 5
4.3 Diagnostic Test
A diagnostic test is provided to enable testing of
major circuit boards in the radar display unit.
major circuit boards in the radar display unit.
Proceed as follows to execute the diagnostic test:
1) Press the MENU key.
2) Select the INITIAL menu and press the EN-
TER/SELECT key.
3) Select TEST and press the ENTER/SELECT
key.
ROM 1 035909910x OK
ROM 2 035910010x OK
RAM 1 OK
RAM 2 OK
ON TIME 000001.2
TX TIME 000000.3
ANT ROT 20.5RPM
TX TRIGGER 2065Hz
VIDEO LEVEL 3.0V
ROM 2 035910010x OK
RAM 1 OK
RAM 2 OK
ON TIME 000001.2
TX TIME 000000.3
ANT ROT 20.5RPM
TX TRIGGER 2065Hz
VIDEO LEVEL 3.0V
x = Version level
ARP-15 data appears
if ARP-15 is provided.
if ARP-15 is provided.
*
\
\
Figure 4-1 Diagnostic test screen
The diagnostic test is executed and the screen
shows test results. Sample test results are shown
in Figure 4-1.
shows test results. Sample test results are shown
in Figure 4-1.
Small squares displayed to the right of the test
results screen are for testing the controls and keys
on the control panel. As you operate the controls
and keys, corresponding squares are highlighted,
indicating your control/key operations are prop-
erly recognized.
results screen are for testing the controls and keys
on the control panel. As you operate the controls
and keys, corresponding squares are highlighted,
indicating your control/key operations are prop-
erly recognized.
4) To display a test pattern, press the ENTER/SE-
LECT key. You can return to the main diagnos-
tic test screen by pressing the ENTER/SELECT
key again.
tic test screen by pressing the ENTER/SELECT
key again.
Figure 4-2 Diagnostic test, test pattern
5) To return to the normal radar display, press the
MENU key.