Koden CVS-872D, Installation Manual

Page: 107 / 112

CVS-872D Chapter 3 Maintenance
0092607062-01 3-3
Caution: The LED on panel will
turn the color from green to red
if the gain knob is rotated to
right or left, or one of CM1 ~
CM6 is pressed and one more
pressing will turn the color to
green. In addition, the internal
buzzer will sound when the gain
knob is rotated.
3.4.2 Diagnostics test
As self-diagnostics, panel test, LCD test and
XID check can be performed.
As [Panel Test], the present conditions of the
system will be displayed at the upper side of
the display screen in addition to confirmation
of key inputs.
As [LCD Test], display will be switched over
in the order of grid, white, black, red, green
and blue each time the key is pressed.
[XID] can check the received data from the
XID adaptive TD
1. Press .
2. Select [Maintain]
– [System Check].
3. Press [ ] of .
The setup box of [System Check] will be
displayed.
4. When panel test or confirmation of system
conditions is performed, select [Panel
Test] with
[▲] and [▼] keys. For checking
of LCD, select [LCD Test]. For checking
of XID, select [XID].
3.4.2.1 Panel Test
The panel test confirms the key input and
system status.
When [Panel Test] is selected and press [
►]
key, the panel test screen will be displayed.
The system conditions will be displayed as
shown in the above figure.
When a key is pressed, the key will be
identified and the key on the corresponding
screen will change in color. The same key is
pressed subsequently, the System Test
screen will end and the setup box of [System
Check] will be displayed.
(1) [RAM] displays the result of RAM check.
OK if normal, and NG if abnormal, will be
displayed.
(2) [ROM] displays the result of ROM check.
OK if normal, and NG if abnormal, will be
displayed.
(3) [NMEA1] confirms J8 port. As the
confirmation will be performed when the
panel test screen is displayed, mount the
jig before the display of the screen.
“– –” for not yet done, OK for normal case
and NG for abnormal case will be
displayed.
(4) [NMEA2] confirms J3 port. As the
confirmation will be performed when the
panel test screen is displayed, mount the
jig before the display of the screen.
“– –” for not yet done, OK for normal case
and NG for abnormal case will be
displayed.
(5) [Memory] displays the conditions of
internal memory.
Ok for normal case and NG for abnormal
case will be displayed. The used ratio of
memory is also displayed.
(6) [VOLT1] displays the voltage value of +
12 V line.
Caution: For confirmation of
[NMEA1] and [NMEA2] ports,
the dedicated jig is necessary.