Lathem DDC2 - Manual (Page 45)

Page 39 Digital Display Wall Clock Guide DDC2 / 4-RS Wiring
Electronic Coded
B
R
N
/
W
H
T
GRND
AC IN
AC RTN
B
L
U
/
W
H
T
B
L
K
B
L
K
RED GRAY
W
H
T
3510 Hz
Reciever
115VAC
Local
Power
OPEN
1 2 3 4 5 6 7 8
Set switches 1-5 of S1 as shown.
Indicates depressed side of switch
H
M
Requires 3510Hz receiver (not supplied)
Clock will correct minutes hourly at HH:57 and
hour and minutes twice daily at 5:57.