Philips 20PT643F Service Manual page 28

The L01.1U AC chassis also offers the option of using ComPair, a hardware interface
between a computer and the TV chassis. It offers the abilities of structured
troubleshooting, error code reading, and software version readout for all L01.1U AC
chassis.
Minimum requirements for ComPair: a Pentium processor, a Windows OS, and a CD-
ROM drive (see also "ComPair" section).
Table: Software cluster overview
SW Cluster
L3LUS1
L3LUN1
L3LUN2
Abbreviations in
Software name: U =
USA (NAFTA), M =
Mono, N = Stereo
non-dBx and S =
Stereo dBx.
UOC
SW name
type
L01US2x.y TDA9587
L01UN4x.y TDA9588
L01UN5x.y TDA9577
UOC Special
Diversity Features
Stereo
64K
dBx,
ROM
Comb
Size
Filter
64K
Stereo
ROM
non-dBx
Size
55K
Stereo
ROM
non-dBx
Size