# Modem control characters

This is the table of interpretation of control characters allowed in Commands string grid of Modem Configuration dialogue:

Character | Hex code | Action
    `
    60h
| 0.1 sec delay
    ~
    7Eh
| 0.5 sec delay
    ^
    5Eh
| raise DTR signal
    v
    76h
| lower DTR signal
    |
    7Ch
| send CR (0Dh) symbol and wait for OK response with 3 sec time-out
    !
    21h
| send CR without waiting
    \
    5Ch
| send the next character as is (without treating it as a control character). E.g.: `\~` - sends tilde character