Siemens 7LF4 542-0 Instrucciones De Operación página 32

Expert Mode
Note: Upon switching from ACTIVE to PASSIVE the additional menu items are hidden again and all the Expert mode settings are cancelled.
After re-activating, Expert mode will operate again with the basic settings.
Activating and deactivating grid synchronisation
Only available in EXPERT mode. The synchronisation can only be activated when no antenna is connected.
The default setting is PASSIVE. In order to improve the long-term accuracy, it is advisable to activate synchronisation if the time switch is supplied from a on 50/60 Hz
grid with frequency adjustment.
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Some additional functions are available in Expert mode:
• Power grid synchronisation to improve the accuracy
• Cycle function
• Summer / winter seasonal correction
• Automatic channel switching• Local coordinates exact to
the minute