Arbiter Systems 120A, Руководство пользователя

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7.3 Constructing a Custom String
This section provides the character set and rules for constructing a custom string. At the end of this section is a
tutorial on how to construct strings using some of the standard broadcast strings as examples.
Custom Broadcast Character Set
Character Meaning
// / character
Cssnn Xor checksum of specified range, where ss = start location (hex value from 00 to
FF) and nn = number of bytes (hex value from 00 to FF)
D Day of month: 01, . . . , 31
d Day of year: 001, . . . , 366
e f GNSS elevation: ±dddddd.dd length = 10 Fractional Seconds: 00, . . . , 99
Hxx Hexadecimal value where xx is a hex value from 00, . . . , FF
h Hour: 00, . . . , 23
Ln LCD front panel display buffer, 2 lines, 20 characters: L1 = top line; L2 = bottom
line
m Minute: 00, . . . , 59
M Month: 01, . . . , 12
O o Local hour offset: ±hh where hh=00, . . . , 12 Local minute offset: 0, . . . , 59
minutes
Pi Latitude: where i = 1, degrees (dd); = 2, Minutes (mm); = 3, Fractional minutes
(mmmm); = 4, Seconds (ss); = 5, Fractional seconds (fff); = 6, N (North) or S
(South)
pi Longitude: where i = 1, degrees (ddd); = 2, minutes (mm); = 3, fractional minutes;
= 4, seconds (ss); = 5, fractional seconds (fff); = 6, E (East) or W (West)
r Carriage return and line feed = <CR><LF>
Sii String Type where ii: 01 = Status change; 02 = Vorne Opt28; 03 = Opt28 ASCII; 04 =
True Time Opt28
s Seconds: 00, . . . , 59
Txx On time character where xx is a hex value from 01 to FF (Note: Must be at the
start or end of the string!)
U Unlock time: 00, . . . ,99 minutes
vnn Option 28 values: 01 = Time Deviation; 02 = Frequency; 03 = Frequency Deviation;
04 = Amplitude; 05 = Phase Angle
W Day of week: 1, . . . , 7 where 1 = Sunday
w Day of week: 1, . . . , 7 where 1 = Monday
y Year: 00, . . . , 99
Y Year: 2000, . . . , 2xxx
z Display number
Table 7-1 Characters used with Custom Strings
Table 7-1 Notes. Conditionals can use any of the above, with the exception of Cssnn and Txx, in addition to any
string characters. CONDITIONALS CANNOT BE NESTED!
True/False Condition
Command: / [ ii ? < t > / : < f > / ] where: