Indicator FineTuningMACandle_Chl_Arr_StDev with the timeframe selection option available in its input parameters:
input ENUM_TIMEFRAMES TimeFrame=PERIOD_H4; // The indicator chart period (timeframe)
For the indicator to operate, the FineTuningMACandle_Chl_Arr_StDev.ex5 indicator should be added to the <terminal_data_directory>MQL5Indicators folder.
Fig1. Indicator FineTuningMACandle_Chl_Arr_StDev_HTF