Front panel
![](http://www.dadan.sk/wp-content/uploads/2019/07/front_2699-1024x950.jpg)
![](http://www.dadan.sk/wp-content/uploads/2019/07/front_2700-1024x768.jpg)
![](http://www.dadan.sk/wp-content/uploads/2019/07/front_2703-1024x768.jpg)
![](http://www.dadan.sk/wp-content/uploads/2019/07/front_2705-1024x768.jpg)
![](http://www.dadan.sk/wp-content/uploads/2019/07/front_2707-1024x768.jpg)
![](http://www.dadan.sk/wp-content/uploads/2019/07/front_2708-1024x768.jpg)
The clock body
![](http://www.dadan.sk/wp-content/uploads/2019/07/back_2715-1024x768.jpg)
![](http://www.dadan.sk/wp-content/uploads/2019/07/back_2734-1024x768.jpg)
Connections (Button PCB -> Main PCB):
- + to VIN
- – to GND
- 1 to B1
- 2 to B2
- 3 to B3
- 4 to B4
![](http://www.dadan.sk/wp-content/uploads/2019/07/back_2737-1024x768.jpg)
![](http://www.dadan.sk/wp-content/uploads/2019/07/back_2738-1024x768.jpg)
![](http://www.dadan.sk/wp-content/uploads/2019/07/back_2746-1024x768.jpg)
![](http://www.dadan.sk/wp-content/uploads/2019/07/back_2750-1024x768.jpg)
![](http://www.dadan.sk/wp-content/uploads/2019/07/back_2751-1024x768.jpg)
![](http://www.dadan.sk/wp-content/uploads/2019/07/back_2754-1024x768.jpg)
Warning: Pay attention to the battery polarity! Red wire goes to the positive terminal (+). It is the one with smaller metal cap. Electronics will be damaged if the battery is connected incorrectly !!!
![](http://www.dadan.sk/wp-content/uploads/2019/07/back_2755-1024x768.jpg)
![](http://www.dadan.sk/wp-content/uploads/2019/07/back_2770-1024x768.jpg)
![](http://www.dadan.sk/wp-content/uploads/2019/07/back_2778-1024x768.jpg)
![](http://www.dadan.sk/wp-content/uploads/2019/07/back_2803-1024x768.jpg)
![](http://www.dadan.sk/wp-content/uploads/2019/07/back_2804-1024x768.jpg)