Adjust r237 for 0 dbm (775 mv rms), Adjust r236 for 2.8v rms, 12 db sinad reading shall be £ 0.35 mv – Viking 242-2009-632 User Manual

Page 143: Set the rf generator output for 5 db sinad, Adjust r235 to achieve 340 mv rms, Adjust r236 until the 1 khz tone is heard, Adjust the rf generator output for 12 db sinad, Signal displacement bandwidth