Click on the virama, called pangkon in Javanese (diacritic in the center) to delete the inherent vowel a: the virama is needed between two consonants.
InstructionsTo type directly with the computer keyboard:
Download & install the font Noto Sans Javanese
→ Balinese keyboard (similar script)
→ Kawi keyboard (Old Javanese)
→ Multilingual keyboard: index