Meinberg LANTIME M600 Technical Information download pdf (Page 25)

Setup GPS Receiver Parameters

Set Antenna Cable Length

This menu asks the user to enter the length of the antenna cable. The received time

frame is delayed by approx. 5ns per meter antenna cable. The receiver is able to

compensate this delay if the exact cable length is given. The default value is 20m. The

maximum value that can be entered is 500 m (only with low loss cable).

Set GPS Receiver Simulation Mode

Enabling this menu lets the user run the LANTIME without antenna. Normally the

NTPD loses synchronization with the GPS when the antenna is disconnected or the

GPS did not receive enough satellites (red Ref.Time LED is turned on). When

Simulation Mode is enabled the status information from the GPS is fixed to SYNC.

So it is possible to set the NTPD with any other time entered by the SETUP INITIAL

TIME menu. Usually this menu should be disabled. If this option is enabled an "*"

will be shown behind the time string in the root menu.

Set GPS Receiver Simulation Mode

disabled

-> Setup GPS Antenna Length <-

Setup GPS Simulation Mode

-> Setup GPS Receiver Parameters <-

Init GPS Receiver

Set Antenna Cable Length

of GPS receiver: 020m

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Meinberg LANTIME M600 Technical Information Page 25