Knowledgebase : Digital Clocks > SignalClocks
By default the Digital Clock will have DST Setting input, but they are not active. The use of the ‘U’ Command will result in the clock returning “DST Values Not Set!”

You must first enter the settings that are correct for your time-zone using the ‘V’ Command, as described below.

The DST String contains the following components:

1.       Month – A value between 1 and 12;

2.       Week – A value between 1 and 5;

3.       Day – A value between 1 and 7;

4.       Hour – A value between 0 and 24.

The components of the DST String are used twice, once for the DST Start and secondly for the DST End

The DST String is entered in the following format:

V x:x:x:x x:x:x:x

An example of entering this would be:

V 3:5:7:2 10:5:7:2

The Response from the clock would be:

DST Start

Month:= March

Week:= Last

Day:= Sunday

Hour:= 2

DST End

Month:= October

Week:= Last

Day:= Sunday

Hour:= 2

 
A tool to help calculate the DST Settings String can be found here.

The following information is only applicable to clocks using Firmware version 1.6A or above. To find out which Firmware version your clock has, use the ‘K’ command (see page 8 of manual).

New command instructions…

Referring to page 8, and the item marked ‘ T ‘ (Show Time-Zone Offset), in your Galleon PoE Digital Clock Manual, please note that this particular command has now been upgraded.

Previously, you were required to input the time-setting required for your time-zone. For example, if you needed to set UTC forward by one hour, you would be required to input T +01:00. To simplify the process a new, number based upgrade will replace the previous format.

Below, you will find UTC time-zones numbered 1-40. Rather than having to input the entire time-setting, (T +01:00) you simply select the number relevant to your requirements. For example, if you want to set UTC forward by one hour, input T 17 (17 being the ‘ID number’ that corresponds with the +01:00 ‘Offset Value’ in the table below). Please note, a space is required between T & the number when inputting.

ID Number

Offset Value

ID Number

Offset Value

1

UTC −12:00

21

UTC +04:00

2

UTC −11:00

22

UTC +04:30

3

UTC −10:00

23

UTC +05:00

4

UTC −09:30

24

UTC +05:30

5

UTC −09:00

25

UTC +05:45

6

UTC −08:00

26

UTC +06:00

7

UTC −07:00

27

UTC +06:30

8

UTC −06:00

28

UTC +07:00

9

UTC −05:00

29

UTC +08:00

10

UTC −04:30

30

UTC +08:45

11

UTC −04:00

31

UTC +09:00

12

UTC −03:30

32

UTC +09:30

13

UTC −03:00

33

UTC +10:00

14

UTC −02:00

34

UTC +10:30

15

UTC −01:00

35

UTC +11:00

16

UTC ±00:00

36

UTC +11:30

17

UTC +01:00

37

UTC +12:00

18

UTC +02:00

38

UTC +12:45

19

UTC +03:00

39

UTC +13:00

20

UTC +03:30

40

UTC +14:00

The new upgrade allows to you to select 30 minute and 45 minute time intervals. For example, Kabul in Afghanistan is 4 hours 30 minutes ahead of UTC time. To set your time-zone in accordance with Kabul, in your command prompt you would input T 22 (22 being the ID number that corresponds with the +04:30 Offset Value in the table above).

Should you require any further information regarding this upgrade please visit www.galsys.co.uk/support to submit a support ticket.

For use with Windows based servers, there is a slight workaround to get the clocks to sync.

You will need to install our software called TimeSync onto a Windows 7 or newer PC/Server (do not install TimeSync on your domain controller).
Set TimeSync to use the NTP server as its time source. You can do this by clicking Add on the Main tab, select NTP Server as the protocol and specify the IP address of the time server.
Navigate to the 'NTP Server' tab of the software and enable this feature by clicking the checkbox and setting the slider to 'Stratum 2'. Then navigate back to the 'Main' tab and apply the settings.
In the config of the clocks, set the time source to be the IP Address of the PC/Server with TimeSync installed. Check the other settings are as you want them and then save the settings and reboot the clock.

Once this is done, the clocks should now remain synchronised.

If you require TimeSync, please submit a support ticket here and we will assist you.

TimeSync V4 Manual: http://support.galsys.co.uk/index.php?/Knowledgebase/Article/View/35/0/timesync-4-manual

This is the Hardware Manual for the SignalClocks.

It will provide information regarding the installation and setup of the hardware.

It also covers debugging and troubleshooting the unit.

If your clock is running version 1.6A or higher of the firmware, then please refer to this insert for changes regarding the setting of DST (Daylight Saving Time).

http://support.galsys.co.uk/index.php?/Knowledgebase/Article/View/56/20/signalclock-insert---timezone-setting-adjustment