Click on the virama, called halant in Sanskrit (diacritic in the center) to delete the inherent vowel a: it's necessary to add the virama between two consonants.
example: vedānta is written by clicking on the keys: va + e + da + ā + na + virama + ta
Instructions
To type directly with the computer keyboard:
Use the capital to type the letters subscribed with a dot below: T, Th, D, Dh, N, L, S
Type G or ng for ṅ & J for ñ
Type z or ç or sh for ś
Type aa, ii, uu (or A, I, U) for the long vowels ā, ī, ū
Type -r and -ri for ri and rī
Type -l and -li for li and lī
Type M for ं (anusvara) & MM for ँ (candra bindu)
Type H for ः (visarga)
Type = four ़ (nukta): dot below
Type _ for ॒ (anudatta) and __ for ॑ (udatta)
Type / or | for । (danda)
Type ' (apostrophe) for ऽ (avagraha)
Type O, OM (capitals) for ॐ
Type x (unicode 200D, zwj, zero width joiner) to form a half consonant; example: type sx for स्
Type xx (unicode 200C, zwnj, zero width non-joiner) to prevent conjunct forms; example: type kxxS for क्ष्
