Research Concepts RC1500 - Manual (Page 25)

AGC Tuning
25 RC1500B Quick Start Guide
10. Position the antenna ‘on satellite’. Jog the antenna off of the satellite until the
picture is just barely watchable. Note the signal strength value. Go to
CONFIG mode and use the SCROLL keys to bring up either the AGC C Band
Threshold item or the AGC K/L Band Threshold item, whichever is
appropriate for the frequency band that the user has chosen to operate at
(and has adjusted the pots at). Key in the signal strength value noted above.
Terminate the entry with the ENTER key.