1
Display
2
Radio signal symbol for time signal transmitter
3
Speaker
4
USB ports
5
Depending on the device mode and the functions selected, different
information is displayed, e.g.:
Time/temperature/humidity or
Alarm time 1/radio frequency received/alarm time 2
6
Buttons
7
Button
8
Button
Alarm button
9
+/– button
10
Wave button
11
Alarm mode switch
12
DC 5V
2A
13
Time button
14
15
Button
1 and
16
Battery compartment
17
Button
DCF Radio Alarm Clock CK 1708 | CK 1709
Connection ports for charging external devices
(smartphones, MP3 players, etc.) via USB
Decrease/increase the volume
Stop radio reception
Start/stop station search
Call up and play 87.5 MHz frequency
Set radio station
Set alarm times
Increase or decrease values
Start/interrupt signal reception to the time
signal transmitter
Select alarm source
Connection socket for mains adaptor
Enable manual setting mode
Switch between seconds and weekday
display
Enable (on) and disable (off) alarm functions
2
2x LR6 (AA), 1.5 V
Turn on display lighting
Start radio playback
Enable snooze function
Enable SLEEPTIMER
Not depicted: Mains adaptor
At a glance
27