Garmin NavComm SL30, Руководство по установке, Страница: 83 / 88

Serial Interface Specifications
Apollo SL30 Installation Manual
75
NAV M
ICROCONTROLLER
S
OFTWARE
V
ERSION
This message is used to output the version string for the NAV microcontroller software.
Message format:
“V” ................ Message class. This is a VHF NAV message.
“30” ............... Message identifier.
vvvv............... Software version in ASCII
e..................... Engineering version flag:
“R” = Released version.
“E” = Engineering version.
Example message:
$PMRRV300103E<chksm><CR><LF>
NAV Microcontroller software is version 1.03. It is an engineering version.
NAV DSP S
OFTWARE
V
ERSION
This message is used to output the version string for the NAV DSP software.
Message format:
“V” ................ Message class. This is a VHF NAV message.
“31” ............... Message identifier.
vvvv............... Software version in ASCII
e..................... Engineering version flag:
“R” = Released version.
“E” = Engineering version.
Example message:
$PMRRV310101R<chksm><CR><LF>
NAV DSP software is version 1.01. It is a released version.
ADC D
ATA
O
UTPUT
This message outputs the current value of one of the ADC (Analog to Digital Converter)
channels read by the NAV Microcontroller.
This message is only available in normal mode.
Message format:
“V” ................ Message class. This is a VHF NAV message.
“32” ............... Message identifier.
c..................... ADC channel: “0” to ”8”
0 = Input voltage level, in units of 125 mV.
1 = 3.3V reference, in units of 15 mV, value ranges from 0 to 255.
2 = 5V reference, in units of 25 mV, value ranges from 0 to 255.