Effect

Puts the DTR (Data Terminal Ready) signal in active or inactive mode.

Notes:

• The DTR signal confirms to the modem that the computer is available to accept a call.
• Switching DTR signal from active to inactive for at least two seconds tells the modem to disconnect (end) a call or data connection.

Syntax

CALL DTR(<DTRmode>)

Example

CALL DTR(ON)

Parameter

<DTRmode> can only be

• OFF for inactive mode
• ON for active mode

Related to

CALL RTS

Compatibility

MDM-BASIC