SPX SPIDAR NIC-500s Operation Manual page 58

and right using the arrows. The number of arrows on the left and right buttons, correspond to
the movement of the waveform. More arrows mean a larger (or coarser) movement of the
waveform in that direction. If your application dictates otherwise, adjust manually for more or
less time prior to recording data.
Next, select the First Break option below the Channel Information box. Selecting the left and
right arrow buttons will move the red vertical line correspondingly. Position the start of the
waveform to line up with the red vertical line, near the 10% mark shown on the screen. The
correct placement of the waveform is shown in Figure 4-32.
Once complete, press Stop then Save to set these values in the NIC-500. Repeat for other
firing groups on this NIC-500, then repeat for other NIC-500s if present.
NOTE: If the pulse cannot be found, and all connections are made, check the batteries in
the Low Frequency transmitter. If the batteries are OK, there could be a problem with the
transmitter.
Figure 4-33: Manually setting Window Time Shift
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