Nautel Maine Inc VS300 User Manual

VS300 Operations and Maintenance Manual

Operating the transmitter

Page 2-80

Issue 0.1  2011-03-11

Using the front panel

To view the front panel’s TCXO calibration screens (see 

), select 

System Settings -> 

Calibration

 from the 

Main Menu

.

Use the up or down arrow to place the cursor next to TCXO Offset, then press the accept 
(checkmark) button to enter the 

TCXO Offset

 screen. Use the up and down arrows to set the TCXO 

offset value (in ppm) for the external 10 MHz source. When complete, press the accept (checkmark) 
button to save the change. Press cancel (

X

) to discard changes and return to the previous menu.

From the calibration menu, press the down arrow to place the cursor next to Run TCXO Cal, then 
press the accept (checkmark) button to enter the 

Run TCXO Cal

 screen. The calibration routine will 

begin when the external 10 MHz source is connected.