Translations:KAVAN Smart PRO SE4 4ch BUS servo decoder - Instruction manual/18/en
From KAVAN RC Wiki
Operate the SE4 always in a dry environment and within the device limits stated in this guide. Never expose the device to excessive heat or cold.
Do not remove the heat shrink tube from the device and do not try to implement any changes or modifications. This can result in damage to the product and the denial of any warranty claims.
Always check the polarity of the connection. Never inverse the polarity – this could result in damage to the product.
Always use a sufficient power source according to the consumption of the attached servos. Never exceed the maximum allowed operating voltage of the attached servos.
If you use analogue servos, please make sure the servo output period is not below 15 ms. Otherwise, the servos may behave unexpectedly.