Technical data

Installation & Operation Manual GM-TTT
Page 45
Auto: Automatic setting of the internal clock during normal operation
0 No automatic setting - except those selected in the Mode setting.
1 Every second.
2 Once per day at the selected hour (see MODE 2).
3 Once per week at the selected hour (see MODE 2).
4 Once per month at the selected hour (see MODE 2).
5 Once per year at the selected hour (see MODE 2).
For selection 2 ... 5, the additional “lock“ condition has to be observed (see MODE 2).
Mode: Leap Second and DST (Daylight Saving Time) mode of the internal clock
If an additional setting of the internal clock by the reference time in case of “real“ time jumps
(DST switchover or leap seconds) is selected, this setting is only performed, if the time jump
was announced by the data of the reference time. Any details are described in the chapter
entitled “Time Transfer During Normal Operation and Time Jumps“.
Mode Description Automatic
DST swit-
ching of the
internal clock
0 No additional setting of the internal clock during a DST switch-
over of the reference time or a leap second.
Off
c Additional setting of the internal clock during a DST switchover
of the reference time, but not during a leap second.
Off
o Additional setting of the internal clock during a DST switchover
of the reference time, but not during a leap second.
On
u The reference time is considered as UTC or as a time zone
without a Daylight Saving Time, while the time zone of the
internal clock has a DST. No additional setting during a leap
second.
On
i The reference time has a DST, while the time zone of the
internal clock is UTC or a time zone without a DST. No
additional setting during a leap second.
Off
L Additional setting of the internal clock during a leap second, no
additional setting of the internal clock during a DST switchover
of the reference time.
Off
C As for “c”, but additional setting of the internal clock during a
leap second.
Off
A As for “o”, but additional setting of the internal clock during a
leap second.
On
U As for “u”, but additional setting of the internal clock during a
leap second.
On
I As for “i”, but additional setting of the internal clock during a
leap second.
Off
P_SEC: Reference edge of the seconds pulse
P The positive (rising) edge is the reference.
n The negative (falling) edge is the reference.