purpose
assign values to main link. see table 3-3 for parameter description, allowable ranges and practical selection recommendations.
syntax
def link
use
1. to define the main link parameters, type:
def link [enter]
the channel parameters data form is displayed. a typical form is shown below. the form presents the current parameters as defaults.

2. change the parameter values as follows:
(1) use the spacebar to bring the cursor to the beginning of the first field.
(2) to change the selected field, press [f] or [b] to scroll among the available selections.
(3) when the desired selection is displayed, press the spacebar to move to the next field.
3. when done, press [enter].
fcd-2 will display current time and date, followed by the fcd-2 prompt.