E. List of Acronyms

AAR		 auto-analysis results
AD		 analogue to digital 
ADD		 architectural design document 
AOCS		 attitude and orbit control system 
AOT		 astronomical observation template 
APART		 Arizona's Program for the Analysis of Radiation Transfer
APH		 aperture pointing history
CCSH		 continuous compact status history
CFOV		 centre field of view
CHW		 change wheel 
CMOS		 complementary metal-oxide semiconductor
CRE		 cold readout electronics 
CSH		 compact status history
C1 or C100	 C100 detector array
C2 or C200	 C200 detector array
DIE		 detector interface electronics 
DN		 digitised numbers 
DR		 destructive readout 
DUM		 data users manual
EEU		 external electronic unit
EOH		 executed observation history
ERD		 edited raw data 
FCS		 fine calibration source 
FIR		 far-infrared
FITS		 flexible image transfer system 
FL 		 first look 
flpht		 first look tool for PHT
FOV		 field of view
FPC		 focal plane chopper 
FPG		 focal plane geometry 
FPU		 focal plane unit
FWHM		 full width at half maximum
HTML		 hyper-text mark-up language
ID		 identifier
IDA		 ISO Data Archive
IDPD		 ISO data product document 
IDUM		 ISOPHOT data users manual 
IR 		 infrared
IRAS		 Infrared Astronomical Satellite
IRPH		 instrument reference pointing history 
ISDM		 ISO satellite and data manual 
ITK		 instrument time key (=$2^{-14}$ sec) 
LSB		 least significant bit
MSB		 most significant bit
MUX		 multiplexer
NDR		 non-destructive readout 
OBDH		 on-board data handling
OLP		 off-line processing 
OPF		 on-position flag 
OTF		 on-target flag  
PAH		 polycyclic aromatic hydrocarbons
PGA		 proposal generation aids
PHT		 ISOPHOT 
PV 		 performance verification
P1 		 P1 detector
P2 		 P2 detector
P3 		 P3 detector
RI 		 reset interval
ROT		 readout timing
RPID		 raster point identification
RPQ		 raster point quaternion
SED		 spectral energy distribution
S&H		 sample and hold
SL or S1	 long wavelength part of PHT-S
SPD		 standard processed data 
srf		 spectral response function 
SS or S2	 short wavelength part of PHT-S
TDF		 telemetry data file
TDT		 target dedicated time
TM 		 telemetry
TRS		 thermal radiation source
ZL		 zodiacal light