CLKTCD Series User Manual
– Rev. 2.0.1
Page 20
Quick Reference Guide
Time Zone & DST Switch Settings for US/Canada
US/Canada Standard Pre 2007
US Standard Post 2006
S1.7 and S1.8
Daylight saving time adjustment. (See Daylight Saving Time)
Function
S1.7
S1.8
DST adjustment disabled
OFF
OFF
(default)
US/Canada DST enabled
ON
OFF
(US standard through Fall 2006)
US DST enabled
OFF
ON
(new US standard ‐ Spring 2007)
EU DST enabled
ON
ON
(European Union)
The incoming time code must have a date encoded in a format recognized by the CLKTCD for
daylight savings time adjustments to be performed.The time code date encoding Switches
S2.1 and S2.2 must be set to enable the decoding of these control bits/fields.