Instruction manual
WT 8500 - RADIO CONTROLLED WALL CLOCK
Start the clock
Insert 1 x Mignon AA LR06 battery into the battery compartment and make sure the
battery polarity (+/-) is as indicated. The hands (second, minute, hour) are adjusting to
12 o’clock position and the clock enters into signal reception mode.
Signal reception mode
a. Automatic signal reception: The automatic signal reception starts by inserting the
battery. After 2 to 10 minutes the hands will be adjusted to the correct radio
controlled time according to the DCF-77 reception signal.
b. Manual signal reception: Press and hold the REC button longer than 3 seconds to
start the manual signal reception. The hands (second, minute, hour) are adjusting
to 12 o’clock position and the clock enters into signal reception mode. If the signal
is successfully received, the hands adjust automatically to the correct radio
controlled time. This procedure takes approximately 2 to 10 minutes. If the signal
reception is failed, the clock starts working from 12 o’clock position. After the next
successful signal reception the time will be adjusted to the correct radio controlled
time according to the DCF-77 reception signal.
Manual time setup
(if no DCF-77 signal can be received)
Press and hold the SET button for more than 3 seconds to start the manual time setting.
The minute hand starts running forward. Hold the SET button pressed until the desired
time is set. If you press the SET button briefly, the minute hand moves forward each
time by one minute. If the SET button is not pressed for longer than 6 seconds, the
setting is considered complete. After the next successful signal reception the time will
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