Acronym List

AOA	Adaptive Optics Associates
AHU	Air Handling Unit
CBG	Coherent Bundle Guider
CCAS	Center of Curvature Alignment System
C-CAM	Cloud Camera or Chevo Camera
DAS	Dome Automation System
DIMM	Differential Image Motion Monitor
DMI	Distance Measuring Interferometer
EON	End Of Night
FIF	Fiber Instrument Feed
FIG	Fiber Instrument Guider
GRoC	Global Radius of Curvature
GTAG	George T. Abell (Visitor's) Gallery
GUI	Graphical User Interface
HEFI	Hartmann Extra-Focal Instrument
HETDEX	HET Dark Energy Experiment
HRS	High-Resolution Spectrograph
HSC	High Speed Camera
HZPF	Habitable Zone Planet Finder
IFU	Integral Field Unit
IRAF	Image Reduction and Analysis Facility
J-CAM	J-band Camera
KEF	Knife-Edge Focus
KVM	Keyboard-Video-Mouse (for switching between remote computers)
JLG	John L. Grove - The orange man lift normally parked inside the dome to the right of the door
LOTO	Lockout/Tag out
LRS	Low-Resolution Spectrograph
MARS	Mirror Alignment Recovery System
MCS	Master Control System
MLM	Monolithic Lens let Module
MOS	Multi-Object Spectrograph
MRS	Medium Resolution Spectrograph
NESSI	Near Earth Space Surveillance Initiative
NOSS	Night Operations Software System
NWD	Night Working Directory
OCU	Operations Control Unit
PDR	Preliminary Design Review
PFIP	Prime Focus Instrument Platform
PI	Primary Investigator
PMC	Primary Mirror Control
PMT	Photo Multiplier Tube
RA	Resident Astronomer
RMS	Root Mean Square (a statistical term)
RSE	RMS Sensor Error
SAMS	Segment Alignment Maintenance System
SAO	Smithsonian Astrophysical Observatory (SAOImage = software package to display images)
SO/RO	Service Observer/ Resident Observer
SPS	Segment Positioning System (obsolete)
SCS	Segment Control System - replaced by SPS
SWAG	Scientific Wild-Ass Guess, The temperature-at-sunset prediction in degrees Celsius.
TCS	Telescope Control System
TO	Telescope Operator
Tss	Tracker sub-system
TRSE	Target RMS Sensor Error
T/T	Tip/Tilt Camera
UER	Upper Electrical Room
VIRUS	Visible Iintegral-field Replicable Unit Spectrograph
VIRUS-P	Visible Iintegral-field Replicable Unit Spectrograph-Prototype
VNC	Virtual Network Connection
WFU	Wide-Field Unit
WFS	Wave Front Sensor