Leave sensitivity at 0. With 6 I think you are decreasing it.
With sink tones checked, it will beep when climbing and sinking. With sink tones unchecked it will beep only when climbing.Wil it emit a beeping sound while sinking and if i uncheck sink tones will it emit a sound while climbing......
The "Current" measures for example how many Amperes your motor is taking..I dont understand what you mean by current source....
You need to define the source, that means, where you are getting that information from. If you have an S.port sensor you need to select "FasV" as source. Some sensors output the current value using a voltage. In this case you select the analog input "A2"..
Please download the Er9x manual from
Er9x is a basic version of ersky9x that runs in less capable radios.. But they are basically the same, only Ersky9x has more features. Have a look.