Silvercrest DZK 20-A DE 3655 Operation And Safety Notes page 14

RND symbol
The RND symbol stands for RANDOM. In
this mode the device will switch the connected
loads on and off at different intervals.
symbol
Indicates the clock has been set to summer
time.
ON – AUTO – OFF
Indicates the operating mode of the device.
Program number 1-20
Indicates the program number in PROGRAM
function.
AM – PM
Indicates the hour mode.
ON – OFF
Indicates the switching state:
GB/IE/NI 15