Fluke 900 User Manual
Page 28
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Seiftest
FLUKE 900 SERVICE MANUAL
BYTEl: Indicates shift register bank which failed
B7: INTERFACE BUFFER OB U1,U2,U3,U4)
B6: DELAYED GATE
B5: SELFTEST (HSB U38,U76,U115,U150)
B4: FMASK (HSB U72)
B3: TRIGGER QUALIFIER (HSB U57,U87,U142,U162)
B2: TRIGGER DATA (HSB U66,U91,U140,U163)
BLPIN DISABLE (HSB U41,U80,U119,U154)
BO: SYNC (HSB U46,U82,U121,U156)
BYTE2: General
B7; NVRAM bad
B6: NVRAM checksum error, rewritten with default data
B5: Not used
B4: Not used
B3: ROM bad (U77)
B2: ROM bad (U76)
Bl: ROM bad (U75)
BO: ROM bad (U74)
BYTE3: General
B7,6,5,4: Not used
B3: FMASK calibration error
B2: Threshold calibration error
Bl: FLTS line not readable
BO: Threshold setting error
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