Teledyne LeCroy Merlin II - Users Manual - Manual (Page 175)

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Merlin II Protocol Analyzer User’s Manual CATC SW Version 2.50
The 'Calibrate Clock' window appears:
Step 10
Set frequency counter to use integration time of at least 1 second.
Step 11 Use the slider to adjust the clock only according to the following
steps:
A.Adjust the frequency to 26 MHz (+/- 1ppm), i.e. to a value
between 25.99998 MHz and 26.00002 MHz
B.Wait 5 minutes and verify that frequency is still within the range
specified in step A.
Step 12 When finished, Click the OK button to confirm the setting.
If the calibration value has changed, a pop-up message appears.
Step 13
Select OK to cause the application to write the new calibration value
to the Merlin II flash memory.
Step 14 In the Setup Connectors window select the 'Default Configuration'
option and then click on the OK' button.
The Setup Connectors window closes.
At this point you can continue with normal operation.