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2. 环保的光能技术
这是一种运行无需电池的技术!光线——太阳光还是人造光并不重要
——穿过光能表盘或透光表盘。然后表盘将光线转换成电能,并储存
在耐用蓄能器中。这个蓄能器就用作多频电波光能表J615.84的能
源。
3. 自动同步对时
自动同步对时均是在夜间根据设置的当地时间来完成:
欧洲 – DCF77:2:00和3:00
日本 – JJY40和JJY60:2:00
美国 – WWVB:2:00
同步对时开始时,LC显示区自动关闭。在同步对时整个时间(最多9分
钟)里,或直至手动中断,LC显示区均一直处于关闭状态。按下任
按键,自动同步对时就会终止。
WWVB时间信号发射台(美国)具有下列特点:
发射台呼叫成功或重启之后,荣汉斯多频电波光能表读入的总是太
平洋标准时间。由于各个联邦州夏令时和冬令时切换不统一,以及
时区不同,因此您可以手动进行夏令时和冬令时以及时区设置(参见
6.2)。由于停留地点的改变,由您设定的不同时区或夏令时和冬令
时将在发射台呼叫或自动同步对时时仍得以保留。
自动同步对时完成之后,按键T1上显示出接收的时间信号发射台。日
期会通过时间信号自行调准。闰年的2月29日也会自动考虑到。如果
全部接收尝试无法实现确切同步对时,则接收显示将被关闭(参见第6
节)。
在不进行同步对时的天内,手表将借助内置时间存储器通过石英机构
精准走时。如果信号下一次接收顺利,使得成功同步对时,LC显示区
的接收显示开启。
建议:为了给夜间的同步对时创造最佳接收条件,请您在夜间最好不
要佩戴手表,也不要将其放在电器、手机或无绳电话旁。
此外,根据您的停留地点来设置时区,这对信号接收非常有利,因此
手表总是根据所设定的当地时间,在2:00开始进行同步对时尝试。如
果时区不一致,手表会尝试与届时调整的时间信号发射台进行同步对
时。
例如:您从欧洲前往日本,手表存储的是中欧时间,并根据中欧时间
在日本10:00进行同步对时。在此时间,干扰信号要比夜间同步对时
大得多,因此最佳接收的机会就变小。
在时区设置正确的情况下,优先检查相应的发射台频率,减少发射台
检查持续的时间和耗电量。
重要说明:
如果前往其他接收区域(例如您从德国前往日本),要直到手表下一
接收时才完成自动同步对时和发射台同步。如果手表没有接收到时间
信号,则请您手动呼叫发射台(参见6.1节)。
115


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