Tektronix FiberChamp TFC200 Operator's Manual page 18

Introduction
automatically 15 minutes after the
last button-press.
Indicator for the user-selected
Xr wavelength value (780,820, 850,
1060, 1300, 1310 or 1550 nm).
The value is selected by pressing
the A button. This button is also
used to select the six gain ranges
when in Manual operating mode.
storage (STORE REF
button has been pressed).
System failure. Unit requires
service.
1-8
1.5.2 Messages
and HI.
See Section 4 for an explanation of these
messages.
Operator Manual