Seismology Instruction with the AS 1
   
Once the trace is visible on the screen moving it down to the current hour line 
requires gentle tapping of the potentiometer (use the end of a pencil).  This is a 
 diffi cult and slow process.  Be patient and get the trace as close to the current UTC 
time (bottom line on screen) as possible.
   
In addition to just watching the trace on 
the screen, it can be helpful to use the 
Settings  > Show Data Values window 
when adjusting the potentiometer.  The 
goal is to have the data values bouncing 
above and below zero.
Centering the Trace
     Once the trace is close to the correct hour line, fi ne tune adjustments can be made using the 
set zero level.  Adjustments to this value are RELATIVE to the starting value of 2048.
   From the File Menu choose Settings > Set Zero Level
   
To shift the trace to the correct hour line increase         
or decrease the value in the Set Zero Level pop up 
window.  Fine tuning of the trace position can include a 
relative change of + or   5 or 10.  This number should 
remain relatively close to 2048 and SHOULD NOT be 
used to make large adjustments.  
Registering the Station
   
Register the new station online at 
http://www.scieds.com/spinet
   
Select Join the Network
   
SpiNet provides a site for teachers to share their AS 1 data with each other online.  
Additionally there are links to activities and other resources for teachers using seismic
data in the classroom.
Congratulations!
     By reaching this point, your seismometer is accurately recording and will store any events 
that it is able to detect.  The AmaSeis program needs to be running at all times in order to 
collect data, however the display window can be minimized.
AmaSeis Version 1.0 Level 2005.05.19
3.5






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