OPTION 006 Avionics
Annex-A-24
ADF (Automatic Direction Finder) mode
There are no additional commands for ADF testing, the required setting is obtained by using the
appropriate standard commands.
Example:
:CFRQ 190 KHZ;RFLV:VALUE +10 DBM;ON;:AM1:
DEPTH 30 PCT;INTF1;ON;:INTF1 1 KHZ;:MOD:ON;:MODE AM
Sel-cal mode
SEL-CAL adds the following to the Sequential Calling Tones. SEL-CAL is an additional valid
type. The data string representing the Tone Sequence is an even number of characters selected
from the set {ABCDEFGHJKLMPQRS}.
Example for setting operating conditions:
Example:
:CFRQ 118 MHZ;RFLV:VALUE 0 DBM;ON;:AM1:DEPTH
80 PCT;INTF1;OFF;:INTF1 1 KHZ;:MOD:ON;:MODE AM
Example for setting up SEL-CAL and sending tones:
Example:
:SEQT:MODE:STD SELCAL;MOD AM1;:SEQT:SEQ
"GABD";SEND 1