Technical data
Installation & Operation Manual GM-TTT
Page 46
3.8.2 MODE 2: Time for Automatic Setting of the Internal Clock
The internal clock can be automatically set in periodical intervals. As soon as the reference
time ± the current offset has reached the programmed time, the internal clock is set to this
time. Therefore the local time zone should be respected, when selecting the moment of time.
Press the enter button to display or change the current parameters. The flashing field can be
changed using the
↑ or ↓ button, the next field can be selected using the → button. Press the
enter button to confirm your choice and to quit the menu.
Hour
00 - 23
Digit 8
Digit 7
Digit 6 Digit 5 Digit 4 Digit 3 Digit 2
Digit 1
Hour
00 - 23
Week
1 .. 7
Lock
b, S
Day
01 - 31
Month
01 - 12
Hour: Selection of the hour
00 - 23 Range 00 - 23. This hour is taken into consideration, when Auto = 2, 3, 4 or 5 is
selected at menu REFER - MODE 1, i.e. once per day or week or month or year.
Lock: Take the “lock“ status of the reference time into account
b The internal clock is set at the pre-set time, independent of the ”lock“ status of the
reference time, i.e. eventually also by a non-sync clock of the DCF77 or GPS
receiver. In this case the setting is performed during the first two seconds of the
selected hour.
S The internal clock is only set at the pre-set time, when the "lock" status of the
reference time is indicated. If no "lock" status is indicated during the whole selected
hour, the internal clock is not set.
Week: Selection of the day of the week
1 -7 Range 1 - 7, 1 = Monday. The day of the week is taken into consideration, if Auto =
3 is selected at menu REFER - MODE 1, i.e. once per week at the selected hour of the
selected day of the week.
Day: Day of the month
01 -31 Range 01 - 31. This day is taken into account, if Auto = 4 or 5 is selected at menu
REFER - MODE 1, i.e. once per month at the selected hour of the selected day or
once per year, respectively.
Month: Selection of the month
01 -12 Range 01 - 12. The month is taken into consideration, if Auto = 5 is selected at menu
REFER - MODE 1, i.e. once per year at the selected hour of the selected date.