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Serial Data Specifications
SET STANDBY FREQUENCY
Message Format
$PMRRC01mka<chksum><cr>
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<cr>
Set the standby frequency to 124.550 MHz, monitor function selected
REMOTE IDENT INPUT
This message is used to input a new ident, and reset the remote frequency input pointer.
Message Format
$PMRRC04tiiii<chksum><cr>
04....... message id
t.......... list type, input 1
iiii ...... ident, four character ascii
Example Message
$PMRRC041SLE<space>99<cr>
Set the remote frequency ident to “SLE.”
REMOTE FREQUENCY LIST INPUT
This message is used to input frequencies for the remote recall function. Up to 10 frequencies are accepted.
Message Format |
| |
$PMRRC05tfmk<chksum><cr> |
| |
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 |
28 | Apollo SL40 Installation Manual |