GM-TTT - Alpermann+Velte

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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. Digit 8 Digit 7 Digit 6 Digit 5 Digit 4 Digit 3 Digit 2 Digit 1 Hour 00 - 23 Lock b, S Week 1 .. 7 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.
Installation & Operation Manual GM-TTT 3.8.3 1 ... 6: Status Data of the Reference Time Page 47 The → button permits to switch different status messages referring to the reference time to the display for test purposes. 1 Reference time ± current offset. This permits to check e.g. the data communication. If the display remains empty, no valid data are received. 2 Date of the reference time (the current offset is taken into account), e.g. for testing the data communication. If the display remains empty, no valid data are received. 3 Display of the last time, when the data of the reference time indicated the “lock“ status. If “lock“ is currently indicated, the displayed time counts upward. If this time is frozen, the receiver has not been in the "lock" status since that time. If the time value permanently shows 00:00:00, no "lock" status has been indicated since the power-on of the GM-TTT, but the status display 4 can indicate a date. If the display remains empty, no "lock" status has been indicated since the last RESET of the GM-TTT. 4 Display of the last date, when the data of the reference time indicated the "lock" status. The date is stored in a non-volatile memory, so that the quality of the reference time may even be checked if in the meantime GM-TTT has been switched off. If the display remains empty, no "lock" status has yet been indicated since the last RESET of the GM- TTT. 5 Display of the difference: reference time minus time of the internal clock in 6 digits (minutes:seconds:frames, eventually with a minus sign). If the difference is more than one hour, the display will indicate FF:FF:FF. 6 Display of the status data included in the serially received data. Digit 8 Digit 7 Digit 6 Digit 5 Digit 4 Digit 3 Digit 2 Digit 1 Day 0, 1 - 7 Leap S. -, L iDST -, o, F Ant. -, n Lock -, F Zone -, S, U aDST -, A, L Day 1 - 7: Display of the current day of the week, 1 = Monday. 0: The reference time does not supply any information on the day of the week. Leap S. Leap second: L: The announcement of a leap second was internally accepted by the data of the reference time, any details are described in the chapter entitled “Time Transfer During Normal Operation and Time Jumps“. -: no internal announcement of a leap second. iDST DST switchover: F: The announcement of a DST switchover was internally accepted, any details are described in the chapter entitled “Time Transfer During Normal Operation and Time Jumps“. o: The announcement of a DST switchover was internally accepted, any details are described in the chapter entitled “Time Transfer During Normal Operation and Time Jumps“. -: No internal announcement of a switchover.
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