348    WM-OM-E Rev I 
•  Disk Drive Parameters: 
amplitude symmetry 
auto correlation s/n 
local base 
local baseline separation 
local maximum 
local minimum 
local number 
local peak-peak 
local time between events 
local time between peaks 
local time between troughs 
local time at minimum 
local time at maximum 
local time peak-trough 
local time over threshold 
local time trough-peak 
local time under threshold 
narrow band phase 
narrow band power 
non-linear transition shift 
overwrite 
pulse width 50 
pulse width 50- 
pulse width 50+ 
resolution 
track average amplitude 
track average amplitude- 
track average amplitude+ 
• Correlation function 
•  Trend (datalog) of up to one million events 
•  Histograms expanded with 19 histogram parameters and up to 2 billion events 
Automated DDA Measurements 
ACSN 
local base 
local baseline separation 
local maximum 
local minimum 
local number 
local peak-peak 
local time between events 
local time between peaks 
local time between troughs 
local time at minimum 
local time under threshold 
msnr 
m_to_r 
NLTS 
narrow band phase 
narrow band power 
overwrite 
pulse width 50 
pulse width 50- 
pulse width 50+ 
resolution