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Checking the present conditions of the JumboTron display unit (Unit
Condition) (LDU-15, LDU-30 only)
1
Select "UNIT Condition" from the UNIT CONTROL menu.
The "Unit Condition" menu appears in the display window.
LDU-15
U N I T C O N T R O L
U n i t C o n d i t i o n
S c r e e n N o . A 1 1
U n i t A d d r e s s : 0 1
F a n M o v e
T h e r m a l O K
1 2 V P o w e r O K
6 V P o w e r O K
4 V P o w e r O K
U N I T T Y P E : L D U - 1 5
LDU-30
U N I T C O N T R O L
U n i t C o n d i t i o n
S c r e e n N o . A 1 1
U n i t A d d r e s s : 0 1
T h e r m a l O K
( B ) P o w e r O K
( R ) P o w e r O K
( G ) P o w e r O K
U N I T T Y P E : L D U - 3 0
2
Select the screen No. and unit address to be checked.
Press the ◊ or √ button to select "Screen No." or "Unit Address,"
change the item with the ∫ or ı button, and press the ENTER button.
The following items are displayed in the display window.
LDU-15
Item
Fan Move (or Stop)
The fan in the unit is running (or stops).
Thermal OK (or NG)
The temperature inside the unit is normal (or abnormal).
12 V/6 V/4 V Power
The 12 V, 6 V and 4 V power line operations are normal
OK (or NG)
(or abnormal).
LDU-30
Item
The temperature inside the unit is normal (or abnormal).
Thermal OK (or NG)
(B)/(R)/(G) Power
The power line operation for the LED drive of blue, red
OK (or NG)
or green is normal (or abnormal).
3
Press the UNIT CONTROL button to finish checking.
If the selected unit number or screen number does not exist or
the communication is not carried out correctly
The "Communication Error!" appears in the display window instead of the
data. Check the cause and try to repeat the steps above.
Checking the fan operation
Checking the internal temperature of the unit
Checking the 12 V power line
Checking the 6 V power line
Checking the 4 V power line
Checking the internal temperature of the unit
Checking the power line operation
for the LED drive of blue
Checking the power line operation
for the LED drive of red
Checking the power line operation
for the LED drive of green
Meaning
Meaning
55
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