15、 Precautions For Use - Ebyte E90-DTU User Manual

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Chengdu Ebyte Electronic Technology Co.,Ltd.

15、 Precautions for use

Please keep the warranty card of this device properly. The warranty card contains the factory number (and important technical

parameters) of the device, which is of great reference value for the user's future maintenance and new equipment.

During the warranty period, if the radio station is damaged due to the quality of the product itself rather than man-made damage

or natural disasters such as lightning strikes, it will enjoy free warranty; users are requested not to repair it by themselves, and

contact our company if there is a problem. Ebyte provides First-class after-sales service.

Do not operate this radio in the vicinity of some flammable places (such as coal mines) or explosive dangerous objects (such as

detonators for detonation).

A suitable DC stabilized power supply should be selected, which requires strong anti-high-frequency interference, small ripple,

and sufficient load capacity; it is best to have over-current, over-voltage protection and lightning protection functions to ensure

data transmission. radio is working.

Do not use it in a working environment that exceeds the environmental characteristics of the data transmission station, such as

high temperature, humidity, low temperature, strong electromagnetic field or dusty environment.

Don't let the digital radio continuously transmit at full capacity, otherwise it may burn out the transmitter.

The ground wire of the data transmission station should be well connected with the ground wire of the external equipment (such

as PC, PLC, etc.) and the ground wire of the power supply, otherwise it is easy to burn out the communication interface, etc.;.

When testing the digital radio station, it must be connected with a matching antenna or a 50Ω dummy load, otherwise the

transmitter will be easily damaged; Do not touch the antenna when transmitting. When using a suction cup antenna, the suction

cup must be adsorbed on the metal surface.

E90-DTU(400SL33) User Manual

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400sl33