La Crosse Technology DCF-77 Instruction Manual - page 9
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Minutes (flashing)
Hours (flashing)
Alarm icon (ON)
Alarm time
Note:
If the Time Reception function is turned OFF manually, the clock will not
attempt any reception of the radio-controlled time (DCF time) as long as
the Time Reception OFF function is activated. The Time Reception icon
and the DCF icon
will not be displayed on the LCD.
MANUAL TIME SETTING
In case the Weather station is not able to detect the radio-controlled time
(DCF time) signal (disturbances, transmitting distance, etc.), the time can
be manually set. The clock will then work as a normal Quartz clock.
To set the clock:
1.
The hour digits start flashing in the time display section.
2.
Use the + key to adjust the hours and then press SET key to go to
the minute setting.
3.
The minute will be flashing. Press the + key to just the minutes.
4.
Confirm with the SET key
and exit the setting mode
.
Note :
The unit will still try to receive the signal despite a manual setting.
When
the signal is received, the manually set time will automatically be
replaced by the received time. During reception attempts, the DCF tower
icon will flash.
If reception has been unsuccessful, the DCF tower icon
will not appear but reception will still be attempted.
ALARM SETTING