RX Voltage with telemetry

[lebenj]

Hello,

i'm trying to get the RX voltage of my D4RII receptor in my T9X (open 9X) and i must do something wrong.

the telemetry looks working as i can get RSSI on screen, and A2 voltage with the FBVS-01 voltage sensor.

But now i want to get the RX voltage with a 1S lipo plugged on the RX.
so i started making tries with a stabilized voltage supply at 5V
On screen, if i set the range of A1 to get the value to 5V, then is i set down the voltage supply to 4V, the A1 value is only at around 4,5V

actually i'm not at home to make more tests, but a saw that normaly the range must be set a 13,2V to get a correct voltage value, i'm not really sure about the range i put yesterday night, but remember it was 13V or so....

if someone can help me...

regards

[jhsa]

That receiver, the D4R-II has an internal voltage divider on A1. the ratio is 4:1, so the range has to be set to 13.2V

João

[lebenj]

i tried again tonight.... and nothing.

i also realized that these receiver looks defective. under 5V, it does not want to work!!!

[MikeB]

The manual says it will work down to 3.5 volts, but if it is not working below 5V then, yes, it is probably faulty.

Mike.

[jhsa]

I have one on a multiplex fox little glider powered by a 1 cell lipo battery.. It works extremely well..

João