Soldat has super hearing it's fine. Also, fluent in Morse code, so this is useful. Since Minimus can't hear it, they wave at him and point at the receiver, looking grimly excited. They write out the transcript briefly with a piece of paper and pencil stashed behind a knife sheath, then respond in kind:

-.-. --- .--. -.-- / -.-. --- -.. . / --- -. .-.. -.-- .-.-.- / ... --- .-.. .. ... / -.. . .- -.. / .-.. .. --. .... - .... --- ..- ... . / ..-. .- .-.. .-.. . -. .-.-.- / .-- .. .-.. .-.. / - .-. -.-- / - --- / -.-. .- .-.. .-.. / ... ..- -... ... .-.-.- / .... --- .-- / -- .- -. -.-- / ... - .. .-.. .-.. / .- .-.. .. ...- . .-.-.- / --- ...- . .-. .-.-.-

Over in the corner, Misty continues her tending with Javert as an extra pair of hands, both for the arm and any other wounds she can see, until she's out of bandages or the spirit is no longer dripping spirit-blood anywhere. Once finished, she will give them some space again.