Tektronix FiberChamp TFC200 Operator's Manual page 20

Introduction
Repeated pressing of this
sequentially, in ascending order.
Selectable wavelength values are:780, 820,
850, 1060, 1300, 1310 and 1550 nm. The
Press to load the new dBm
STORE| reference value into memory.
displayed for five seconds,
followed by the wavelength (there is one
stored reference value per wavelength).
The reference value is retained when the
TFC200 is turned off. STORE REF button is
not used in linear power (watts) mode.
Press to calibrate the TFC200
to zero light. The detector port
must be capped before pressing
Zero the instrument each time before using
severe, the TFC200 may have to be zeroed
a number of times before its temperature
matches that of the environment.
If the zero light level is greater than 5%, the
CAP discrepancy message will be
displayed (see Section 4 for explanation of
CAP).
Operator Manual
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