Dell COLOR PRINTER 2155CDN User Manual page 493

To set the interval at which the printer goes into the fax receive mode after
receiving an incoming call.
Values:
*
0 Sets the value in increments of 1 second.
0-255
Auto Rec Tel/Fax
Purpose:
To set the interval at which the printer goes into the fax receive mode after the
external telephone receives an incoming call.
Values:
*
6 Sets the interval in increments of 1 second.
0-255
Auto Rec Ans/Fax
Purpose:
To set the interval at which the printer goes into the fax receive mode after the
external answering machine receives an incoming call.
Values:
*
21 Sets the interval in increments of 1 second.
0-255
Line Monitor
Purpose:
To set the volume of the line monitor, which audibly monitors a transmission
through the internal speaker until a connection is made.
Values:
Off Turns off the volume of the line monitor.
Low Sets the volume of the line monitor to Low.
Understanding the Printer Menus
491