EXFO FTB-7000 OTDR Series for FTB-500 - Manual (Page 474)

Index
460 OTDR
sections display.................................... 142
type in Trace Info. tab.......................... 154
type information.................................... 46
see also fiber span ................................. 83
fiber ends, cleaning..................................... 26
fiber parameters, setting
acquisition-specific (Advanced)............ 153
acquisition-specific (Bidirectional)........ 243
fiber parameters, setting default values ...... 69
fiber section attenuation threshold ............. 78
fiber span
analysis................................................ 172
average loss in Trace Info. tab ............. 154
average splice loss in Trace Info. tab.... 244
bidirectional analysis ........................... 237
delimitation ......................................... 142
end location on bidir. trace ................. 237
length in Trace Info. tab ........ 83, 154, 244
setting ................................................... 83
span loss in Trace Info. tab .......... 154, 244
start location on bidir. trace ................ 237
file. see trace
first connector check................................... 54
flagging failed events.................................. 79
forced selection of test wavelength ...... 61, 67
four-point measurement method vs. LSA.. 189
Fresnel reflection........................................... 8
front panel, cleaning................................. 259
FTB-300 trace format ................................ 199
G
General tab ............................................... 140
grid display ............................................... 140
H
Helix factor
in Trace Info. tab ......................... 155, 245
modification ................................ 153, 243
helix factor
admissible values................................... 70
setting ................................................... 69
help. see online user guide
hiding traces.............................................. 147
high-resolution feature................................ 74
I
identification label..................................... 280
identifying fiber under test........................ 223
incrementation ............................................ 32
initialization error messages ...................... 276
injection level, in events table.................... 143
injection level, too low ................................ 54
inserting a module ...................................... 13
IOR
in Trace Info. tab.......................... 155, 245
modification ................................ 153, 243
obtaining ............................................... 69
setting ................................................... 69
ITU default color code ................................. 36
L
label, identification.................................... 280
laser safety information......................... 11, 12
laser, using OTDR as source....................... 223
launch level ............................................... 263
least-square approximation. see LSA
level of injection, warning ........................... 54
light source
accessing ............................................. 223
operating ............................................. 223
live changes on fiber link............................. 92
Loc. in events table.................................... 132
locating events .......................................... 134
location information.................................... 30
loss
average for fiber span.......................... 154
average splice ...................................... 244
connector, threshold.............................. 78
cumulative for fiber span ............. 154, 244
in events table ..................................... 132
measurement....................................... 189
measurement, positioning markers...... 193