64 Serial Communication and Command Set
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 GPS elevation: ±dddddd.dd length = 10
f 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 Local hour offset: ±hh where hh=00, . . . , 12
o 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
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 10.1: Characters used with Custom Strings
Table 10.1 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!