NeoClock
page 16
APPENDIX C
TABLE 2 (BINARY OUTPUT 2)
Byte #
Code
Meaning
Decimal
value
Explanations
1
VL
Antenna
system
2 or 3
2 = DCF77 antenna system
3 = France Inter antenna system
2
DD
Day of the
month
1-31
3
MM
Month
1-12
4
YY
Year*
0-99
5
HH
Hours
0-23
6
MM
Minutes
0-59
7
SS
Seconds
0-59
8
HS
Hundredth of
seconds
0-59
9
WD
Weekday
bit 0-2 :
1-7
1=Monday, 2=Tuesday...
bit 3 :
0
The data come from the quartz clock of
NeoClock because the atomic clock signal
was not decoded correctly.
1
The data come from the atomic clock. The
radio signal was decoded correctly.
bit 4 :
0
Daylight saving time (bit 17 of the radio
signal) *
1
Winter time *
bit 5 :
0
The quartz clock has not been synchronised
with the atomic clock since the last starting of
the receiver.
1
The quartz clock was synchronised with the
atomic clock since the last starting of the
receiver.
bit 6 :
0
Normal value.
1
Switches to 1 one hour before the time
change.
bit 7 :
0
reserved
10
BH
Bad reception
High byte
0-255
Number of minutes since the last good
reception of the radio signal.
11
BL
Bad reception
Low byte
0-255
Number of minutes since the last good
reception of the radio signal.
12
CS
Checksum
(modulo 255)
0-255
Checksum of the first 10 bytes.