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TDR: Vp (Velocity of Propagation) or m/µS (meters 
per microsecond).  This affects the TDR “velocity of 
propagation.”  Use “Vp” in the US and Canada. 
Use “m/µS” in other countries.
Use the [Enter] key to accept any changes and 
return. Use the [Return] key to return to the 
Welcome Screen without making changes. 
Clock Format
Use the Clock Format setup to change the format of 
the clock. The clock is used for the timestamp and 
datestamp in stored results.
Use the [Up] and [Down] keys to highlight either the 
date or time. Use the [Tab] key to select the format 
parameter.
Date: m/d/y (month/day/year) or d.m.y (day.month.
year). The m/d/y format is used in the US and 
Canada. The d.m.y format is used in most other 
countries. 
Time: 12 hours or 24 hours. This affects the number 
of hours displayed in the clock. The 12 hour clock 
(with a.m. and p.m.) is used in the US and Canada. 
The 24 hour clock format is used in most other 
countries. 
Use [Enter] to accept the changes and return. Use 
[Return] to return to the Welcome Screen without 
making changes.