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Fix the meaning of the blue led at readme #180

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Dec 25, 2023
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17 changes: 12 additions & 5 deletions README.md
Original file line number Diff line number Diff line change
Expand Up @@ -13,32 +13,39 @@ To download the latest firmware for your VTX, visit the [release page](https://g
## For Developers:

### To build:

- Recommended build environment is Visual Studio Code
- Install PlatformIO IDE extension in Visual Studio Code
- Build source inside of PlatformIO (ctrl + alt + b)

### To flash firmware:

- Navigate to `.pio\build\{vtx model}`
- Copy HDZERO_TX.bin to root of VRX SD Card
- Follow normal flashing proceedure

# Attention:

**Please do not arbitrarily modify the data in use in the EEPROM, that may make your VTX not work.**

# Basic VTX hardware troubleshooting:
The Red LED is a simple indicator of power status and should be ON solid during normal operation.

The Red LED is a simple indicator of power status and should be ON solid during normal operation.

- If the Red LED is Off, dim, or flickering: Test power input to VTX is stable at expected voltage and within input voltage tolerance of VTX.

The Blue LED provides these status indications:

- flicker 3x after boot indicates MSP signaling is detected.
- OFF = camera lost (check camera and cabling)
- ON/OFF @ 2hz = heat protection
- ON/OFF @ 2hz quickly = dm6300 is broken
- ON/OFF @ 8hz = 0MW pitt mode active
- ON/OFF @ 4hz = 0.1mw pitt mode active
- ON/OFF @ 1hz = heat protection
- ON/OFF @ 4hz = 0MW pitt mode active
- ON/OFF @ 2hz = 0.1mw pitt mode active
- Flashes quickly 2 times per second = RF chip(dm6300) failure
- ON solid = VTX operation normal

If both Red and Blue LEDS are on solid but no video signal is detected by VRX:

- use spectrum analyzer (available on some analog VRXs) to verify VTX RF output on correct channel.
- use a PAT version of firmware for your specific VTX to verify RF output from VTX and test patern signal is received by VRX.

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