3
4
6. Attention
7. Warranty Agreement
1. The product shall be installed and serviced by a qualified person.
2. This product is non-waterproof. Please avoid the sun and rain. When installed outdoors please ensure it is mounted in a water proof
enclosure.
3. Good heat dissipation will prolong the working life of the controller. Please ensure good ventilation.
4. Please check if the output voltage of any LED power supplies used comply with the working voltage of the product.
5. Please ensure that adequate sized cable is used from the controller to the LED lights to carry the current. Please also ensure that the
cable is secured
tightly in the connector to avoid the accidents due to overheat and poor contact on the wire.
6. Ensure all wire connections and polarities are correct before applying power to avoid any damages to the LED lights.
7. If a fault occurs please return the product to your supplier. Do not attempt to fix this product by yourself.
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This manual only applies to this model. Ltech reserves the right to make changes without prior notice.
ZHUHAI LTECH ELECTRONIC TECHNOLOGY CO., LTD.
WWW.LTECHONLINE.COM
Tel: +86 756 620 8823
Fax: +86 756 620 8833
LTECH
LTECH
1. We provide lifelong technical assistance with this product:
A 5-year warranty is given from the date of purchase. The warranty is for free repair or replacement and covers manufacturing faults only.
For faults beyond the 5-year warranty we reserve the right to charge for time and parts.
2. Warranty exclusions below:
Any man-made damages caused from improper operation, or connecting to excess voltage and overloading.
The product appears to have excessive physical damage.
Damage due to natural disasters and force majeure.
Warranty label, fragile label and unique barcode label have been damaged.
The product has been replaced by a brand new product.
3. Repair or replacement as provided under this warranty is the exclusive remedy to the customer. Ltech
shall not be liable for any incidental or consequential damages for breach of any stipulation in this warranty.
4. Any amendment or adjustment to this warranty must be approved in writing by Ltech only.
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LT-870 CV DMX Decoder Manual
LT-870 CV DMX Decoder Manual
5. Conjunction diagram
Update time: 2014.01.01
LT 870
-
LT 870
-
LT 870
-
LT 870
-
Transmitting terminal
relay station
receiving terminal
Can extend the communication distance by relay point way,
DMX512 console
DMX device
LED lamp
The 7-8 Dip switch :
4 levels transmission power to choose (see the below form)
dBm
7
8
20
10
5
OFF
OFF
ON
OFF
ON
OFF
1
ON
ON
7 8
ON
(
figure 4)
The 1-6 Dip switch
:
64 frequency to choose (2401~2464MHz), the interval of frequency is 1MHZ. (see the below form)
Example, As figure 5, the repeater frequency is 2437M, set the 1st, 3rd , 6th dip switch to “1”, the rest to “0”, the Value
summation from 1-6 is 1+4+32=37, so the repeater frequency is 37+2400=2437M.
1
2
3
5
6
4
001
002
004
008
016
032
Frequency value = the total place value amount of 1-6 dip 2400,
put the dip switch to ON position, user can get its place value,
put dip switch to OFF position, its place value is 0.
Remark
DIP
Value
1 2 3 4 5 6
ON
(figure 5)
LT 870
-
DMX device
LED lamp
