DURING CRUISE (CONT)
OFF/VOL control (ADF control) - Turn
clockwise, out of the OFF position.
Frequency - Select operating frequency
(or channel) of an LF station of known
PUSH MODE switch - Press to select
ADF or ADF BFO as required.
Volume control - Adjust as
Pilot's HSI and/or either RMI-
Set to display ADF bearing.
Bearing pointer should indicate correct
bearing to station.
When possible select at least two different
operating frequencies to verify ADF
opera- tion in the low, middle and high
portions of the frequency range.
*21. VHF Navigation set (KNR 634) - Check as
NAV A switch (audio control panel) - ON.
OFF/VOL control - Rotate clockwise out
of the OFF position.