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Checking the JumboTron Display Unit Functions
Checking the operation of the indicator on the rear of a JumboTron
display unit (LED Check)
Check if the indicator lights, blinks or turns off correctly.
JTU-35/JTU-17 JumboTron
display unit (rear)
1
Select "LED Check" from the UNIT CONTROL menu.
The "LED Check Menu" appears in the display window.
2
Press the ◊ or √ button to select the operation mode to be checked, and
press the ENTER button.
The indicator changes to the selected operation mode. (You can check
each of the operations by repeating this step.)
3
Press the UNIT CONTROL button to finish checking.
The display window returns to the UNIT CONTROl menu. The
indicators which are lit or blinking turn off.
30
E
LDU-15 JumboTron
display unit (rear)
Indicator
Indicator
JTU-35, JTU-17
U N I T C O N T R O L
L E D C h e c k M e n u
The indicator blinks.
B l i n k
O n
The indicator lights.
O f f
The indicator turns off.
U N I T T Y P E : J T U - 3 5
LDU-15
U N I T C O N T R O L
L E D C h e c k M e n u
The indicator blinks in red.
The indicator lights in red.
B l i n k ( R )
O n ( R )
O n ( G )
The indicator lights in green.
B l i n k ( G )
The indicator blinks in green.
U N I T T Y P E : L D U - 1 5
Checking the blinking or lighting operation of a JumboTron display unit
(Cursor Check Menu)
Check if a unit or cell blinks correctly. You can set the display color of a
unit which does not blink to white or black. Check also if the frame of the
unit lights correctly.
1
Select "Cursor Check" from the UNIT CONTROL menu.
The "Cursor Check Menu" appears in the display window.
To check if a unit or cell blinks correctly
2
Select "Blink (W)" or "Blink (B)" with the ◊ or √ button, and press the
ENTER button.
The whole unit blinks.
3
Press the ENTER button.
The top leftmost cell blinks.
Each time you press the ENTER button, other cells blink one after
another. After the cell at the bottom right corner blinks, the whole unit
blinks again.
The cell which does not blink is shown in white if you select (W) in
step 2. If you select (B), that cell is shown in black.
To check if the frame of a unit lights up
2
Press ◊ or √ to select "Frame (W)" or "Frame (B)," and press the
ENTER button.
The outmost dots around the unit light up.
If the SPG Mode (test signal mode) is set to WHITE, you may not
check if they light or not. In this case, select the test signal other than
WHITE using the SPG button (see page 13).
The frame of the unit which does not light up is shown in white if you
select (W). If you select (B), it is shown in black.
3
Press the UNIT CONTROL button to finish checking.
The display window returns to the UNIT CONTROl menu.
U N I T C O N T R O L
C u r s o r C h e c k M e n u
A unit or cell blinks. (white display)
A unit or cell blinks. (black display)
B l i n k ( W )
The frame of a unit lights. (white display)
B l i n k ( B )
F r a m e ( W )
F r a m e ( B )
The frame of a unit lights. (black display)
S t o p
Stops blinking or lighting.
U N I T T Y P E : J T U - 3 5
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