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Disclaimer
Thanks for purchasing DDL051HA-H. Please ensure that DDL051HA-H is used in accordance
with local laws and regulations. Please read this disclaimer carefully before using. Once used, it
shall be considered as an endorsement and acceptance of the whole content of this statement.
Please strictly follow the installation steps in the instructions to operate and use the product. For
any result or loss caused by improper use, installation, modification,etc., Shenzhen Viewpro
Technology Co., Ltd and its affiliated companies will not hold any legal liability.
The copyright of this user manual is belongs to Shenzhen Viewpro Technology Co., Ltd. All rights
reserved. No reproduction shall be made in any form without permission.
Announcement
DDL051HA-H is a wireless video transmission equipment, please pay more attention to the
announcement to prevent damage to terminal equipment and personal safety due to improper
operation or usage.
1. Please use corresponding frequency of DDL051HA-H in accordance with local radio
regulations.
2. For initial usage, please make sure that the transmitter and receiver are connected
correctly and the antenna is installed correctly.
Installation Warning
1. Before Power On, user should install the antenna and make sure that the interface is
tightened. Otherwise, it will damage to the circuit.
2. Please make sure the transmitter and receiver supply the voltage within the prescribed
voltage range. Otherwise, it will damage to the circuit.
3. Be able to keep antenna of transmitter down vertically and without any obstacles to prevent
shortening communication distance because of blocking.
4. The antenna of receiver should be able to keep away from large metal parts.
5. Please be sure to use the right type of antenna.
6. Please pay attention to keeping the proper distance between the electronic equipment to
minimize the electromagnetic interference.
Usage warning