Serial
Data Specifications
SBr
SraxDBY
FREeUENCY
Message
Format
S
PMRRC0
I mk
a<chksspXsl)
0l .......message
id
mk
......
standby fiequency:
rn: desired frequency in MHz
in
hexadecimal,
where
m: desired
fiequency -
30h
,
with
desired
frequency in
range of
I I 8
to
136 MHz,
or 162 MHz.
k
:
desircd
fi'equency
in
kHz
where k
-
(desired
frequency
/ 25 kHz)
+
30h,
with
desired
liequency
in
range
of
000 to975
kHz in 25kHz steps, or0
to
39.
a.......... trarrsccivcr function:
N
:
norttral
rcccivc operation
M
:
enable monitor function
0
:
no change
Examplc Message
SPMRRCOI
LF
M40<cr>
Set thc stanclby liequcnc,y to
124.550
MH4 nronitor
function selcctcd
Rnuors
Innxr lNpur
This
messagc is used to iltput a ncw idcnt,
and
reset the rcrnote fiequerrcy input
pointer.
Messagc Format
$
PM RRCl04ti i
i i.,-chksLlnr><cr->
04.......nrcssage id
t ..........1ist type
,
input I
iiii....... ident, fbur
charactcr
ascii
l-xample Messurgc
$
PM RRC04 l
S
LE<space>99<cr>
Sct thc
remotc fi'equency
idcrrt to
"SLE."
Rnnrorn
FnnqunNCY [,rsr
lNpur
This
nressage is usecl
to
ir-rput fiequencies
fbr the remote
rccall function.
Up to l0
fi'cquencies
are
acceptcd.
Mcssagc Format
$PM
RRC05 tfink<chk5s6Xg1)
0,5
.......mcssage
id
t..........1ist type, input
I
f ..........
frequency
type:
0
:
TWR, towcr lrcqucncy
8
:
CTF, cornmon traffic
advisory
frcquency
I
-
CND,
ground
li'cqucncy
9
:
DEP, dcparturc
2
-
ATS, for ATIS
:
(3Ah)
:
FSS. flight scrvice statiorr
3
:
ATF, air traffic frequcncy
;
(3Bh)
:
RFS, for rcmote flight
servrcc station
4
:
APP, fbr
approach
<
(3Ch)
:
UNI, for unicom
5
:
ARR,
for arrival
:
(3Dh):
MF, mandarory frcquency
28
SL40 Installation
Manual