Notice For Operation Of Instrument:

* Users are prohibited to repair the controller by themselves to avoid any damage to the controller.
* The controller needs to check and maintain regularly so as to operate safely long-term. To change the damaged components, pleas contact our sales people or technical peple for assistance.
* To clean out the dust or dirt on the instrument screen, please use soft cloth or cotton papper.
* Do not use screw driver or hard pin to touch the soft buttons on the faceplate.
* To avoid this instrument used in environment of overflow water or explosive oil.
* In case the instrument is used in environment of strong noise, (such as motor, transformer, solenoid,etc.) A current suppresser or noise filter should be used. In case the instrument is use in environment of nuclear control, iatrical equipment, auto, train, airplane or security equipment that need protections, please contact the manufacturer for details.