Sony UVW-1800 Operating Instructions Manual page 42

On the time counter display
On the monitor screen
8-2 (E) Chapter 6 Time Data
During recording or playback, you can display the time data selected on this unit
on the monitor and on the time counter display. During editing, the data displayed
is selected by the editor.
Use the time counter display selector switch to select the data to be displayed on
the time counter display.
Resetting the CTL data displayed
Press the RESET button.
The indication in the time counter display is reset to "0:00:00:00".
See the section "Superimposed Text Information" (page 4-7(E)).
Time counter display selector switch