pro bel TX 520 Operator's Manual page 57

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If stop watch mode is selected then the current count is displayed along with three
push button controls for the stop watch, as illustrated. The stop watch can count up
or down (from a preset value) and can be reset. The count down preset value is
selected using Shaft Encoder one to set the MMM value. The shaft encoder
second from the left is used to set the SS value.
The stop watch is locked to the station TC input. Due to this feature a count started
half way through a second will count that half second as a second to keep in step
with the station TC.
The stop watch once started counts continually until terminal count , and does not
stop once display pages are changed.
· A toggle push button provides <START/STOP> indication. On system
startup the stop watch is shown as stopped, after which it always displays
the current operational state as set by the operator. When the stop watch
reaches terminal count (999:59 or 000:00) the count state is changed from
start to stop.
· A toggle push button provides <COUNT UP> and <COUNT DOWN>
indication. On system startup the stop watch is shown as <COUNT UP>,
after which it always displays the current operational state as set by the
operator. When the stop watch reaches terminal count (999:59 or 000:00)
the count direction indication remains unchanged in it's current state.
· A push button provides stop watch <RESET>. If selected whilst counting up
the count is reset to zero and the count continues, if selected whilst
counting down the preset count down time is reloaded and the count
continues.
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If timer mode has been configured the display can be switched between segment
mode and remaining mode.
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