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Garmin SL40 User Manual

Page 34

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Serial Data Specifications

28

Apollo SL40 Installation Manual

S

ET

S

TANDBY

F

REQUENCY

Message Format
$PMRRC01mka

01....... message id
mk...... standby frequency:

m = desired frequency in MHz in hexadecimal, where m = desired frequency -
30h , with desired frequency in range of 118 to 136 MHz, or 162 MHz.
k = desired frequency in kHz where k = (desired frequency / 25 kHz) + 30h, with
desired frequency in range of 000 to 975 kHz in 25 kHz steps, or 0 to 39.

a......... transceiver function:

N = normal receive operation
M = enable monitor function
0 = no change

Example Message

$PMRRC01LFM40

Set the standby frequency to 124.550 MHz, monitor function selected

R

EMOTE

I

DENT

I

NPUT

This message is used to input a new ident, and reset the remote frequency input pointer.

Message Format
$PMRRC04tiiii

04....... message id
t.......... list type, input 1
iiii ...... ident, four character ascii

Example Message
$PMRRC041SLE99

Set the remote frequency ident to “SLE.”

R

EMOTE

F

REQUENCY

L

IST

I

NPUT

This message is used to input frequencies for the remote recall function. Up to 10 frequencies
are accepted.

Message Format
$PMRRC05tfmk

05....... message id
t.......... list type, input 1
f ......... frequency type:

0 = TWR, tower frequency

8 = CTF, common traffic advisory frequency

1 = GND, ground frequency

9 = DEP, departure

2 = ATS, for ATIS

: (3Ah) = FSS, flight service station

3 = ATF, air traffic frequency

; (3Bh) = RFS, for remote flight service station

4 = APP, for approach

< (3Ch) = UNI, for unicom