SPX SPIDAR NIC-500s Operation Manual page 57

3. If there is a need to manually adjust, select the radio button for Window Time Shift above
the scope window, and use the arrows to adjust the position for that firing group. More
arrows mean a larger (or coarser) movement of the waveform in that direction
4. If there is a need to manually adjust, select the radio button for First break above the
scope window, and use the arrows to adjust the position for that channel.
5. Select the next channel in that firing group
6. Check the Window Time Shift. The Window Time Shift for a firing group must be set so
that the waveform for all channels is near the start of the displayed time window. If the
Time Window Shift needs adjustment, select the Window Time Shift radio button and
use the arrows to adjust the position.
7. Select the First Break radio button and use the arrows to align the red vertical line with
the start of the waveform (Figure 4-32).
8. Repeat Steps 5-7 for all channels in a Firing Group.
9. Press Stop
10. Repeat Steps 1-9 for all Firing Groups.
11. Press Save
If you are not able to set the Window Time Shift and First Break using Auto, these values can be
set manually (Figure 4-33). Select the Window Time Shift option, using the radio button, below
the Channel Information box. Press Start and search for the waveform by moving the pulse left
Figure 4-32: Setting First Break using Auto
49
SPIDAR Software