Bitmap Functions | OpenTX 2.2 Lua Reference Guide Bitmap Functions | OpenTX 2.3 Lua Reference Guide Bitmap Functions | LUA Reference Guide Part II - OpenTX Lua API Programming Guide | OpenTX 2.3 Lua Reference Guide Function Scripts | OpenTX 2.1 Lua Reference Guide sportTelemetryPush() | OTX 2.3 | LUA Reference Guide playTone(frequency, duration, pause [, flags [, freqIncr]]) | OpenTX 2. ... GitHub - opentx/lua-reference-guide · GitHub