User`s manual

U.S. Robotics I-modem Command Reference
Controlling Result Code Displays • Page 5-2
Qn Enable/suppress the display of result codes.
Q0 Display result codes.
Q1 Do not display result codes.
Q2 Do not display result codes while in Answer mode (see Chapter 2, Modes
of Operation, for a description of modes).
Vn Display result codes in verbal or numeric form.
V0 Display result codes in numeric form.
V1 Display result codes in verbal form.
Xn Display one of the following sets of result codes. Default = X7 (see Tables 5-2 and
5-3).