External Oscillator - Leica GPS1200+ Technical Reference Manual

Geodetic satellite receiver

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Technical specifica-

Config...\Interfaces... - General

External Oscillator

The external oscillator option is available on the GRX1200+ and GRX1200+ GNSS.

An external oscillator can be used to provide a better quality time signal to the

GRX1200+/GRX1200+ GNSS than the internal clock, for example, through the use of a

rubidium or caesium oscillator. The same external oscillator can also be used with a number

of receivers so that each GRX1200+/GRX1200+ GNSS is guaranteed to be tracking satel-

lites using the same time signal. An external oscillator is attached to the

GRX1200+/GRX1200+ GNSS via the port OSC.

The settings on this screen define the parameters for incoming external oscillator signals.

Refer to the GPS1200+ User Manual for technical specifications of the external oscillator port

and the required cable.

Select Main Menu: Config...\Interfaces.... Highlight Ext Osc EDIT (F3).

Press a hot key configured to access the screen CONFIGURE External Oscillator. Refer

to "6.1 Hot Keys" for information on hot keys.

Press USER. Refer to "6.2 USER Key" for information on the USER key.