X
X
L
L
D
D
C
C
M
M
A
A
N
N
.
.
d
d
o
o
c
c
3
3
-
-
6
6
5
5
R
R
E
E
V
V
E
E
the last year saved in non-volatile memory, then Function 68 can be used to manually enter the current
year. Years prior to 1996 are not accepted, and entering a future year may cause incorrect calendar
date calculations.
To request the current year setting via Function 68, send the string:
Sample request: F68<CR>
Response: F68 1996<CR><LF>
To set the current year, send a string with the following format:
Sample entry: F68 1997<CR>
Response: OK<CR><LF>
3-269 SERIAL FUNCTION F69 - SELECT LOCAL/STANDARD/GPS/UTC TIME
The as shipped default is UTC. The default value on power-up will be that in use prior to power-down.
Four time types are available for use.
Local Time modifies UTC time to include the Time Zone and Daylight Saving Time adjustments, if
enabled by the user.
Standard Time modifies UTC time to include the Time Zone adjustment if enabled by the user.
GPS Time is defined by and derived directly from the GPS constellation with no leap second or other
GPS to UTC corrections.
UTC Time is Universal Coordinated Time and differs from GPS Time by the addition of leap seconds
and the A0 and A1 sub-second corrections.
Standard & Local time require the setting of the local Time Zone offset with F01, (Set Time Zone).
Local time requires the setting of Daylight Saving Time with F66, (Daylight Saving Enable).
Use Serial Function F69 to request or set the XL-DC time format. To request the current time type
used, send F69<CR> to the Serial Port. The port will respond with the following character string:
F69<SEP><HH><LT>
Sample request: F69<CR>
Response: F69 STANDARD <CR><LF>
or F69 LOCAL <CR><LF>
or F69 UTC <CR><LF>
or F69 GPS <CR><LF>
To set the Time Type:
F69<SEP><TT><LT>
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