HP 70000 series - Measurement Indicator Descriptions

Manual
responsivity
indicator
indicates
that manual mode for the responsivity function has been
selected. The manual responsivity indicator is an asterisk (*) that is
displayed to the left of the trace annotation.
Power bar provides a graphical display of the average optical power measured
by the power meter.
Power meter
annotation indicates whether the power meter readout is annotated in optical
or electrical units. Either OPT or ELEC is displayed for the respective
unit annotation. The units annotation of the power meter is not
coupled to the lightwave trace annotation.
Power meter
readout
displays
the
current
average power meter readout annotated in
optical
dBm,
electrical
dBm,
or watts units. Use the power meter
softkeys
to
change
the
display annotation.
P
ower
meter
zeroing indicator is displayed while osets in the power meter are being zeroed either
in automatic or manual mode. The indicator is an asterisk (*) that
is displayed to the right of the power meter annotation. Press the
NNNNNNNNNNNNNN
ZERO softkey to zero the power meter manually.
Trace
annotation
indicates
whether
the
lightwave
trace
is
annotated
in
optical
or
electrical
units
.
Either
LW
OPT
or
LW
ELEC
is
displayed
for the
respective
unit
annotation.
The
units
annotation
of
the
lightwave
trace
is
not
coupled
to
the
power
meter
annotation.
User
power
indicator indicates that an optical power oset has been entered using the
N
N
N
N
N
N
N
N
N
N
N
N
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
USR
PWR
On
Off
softkey
.
The
indicator
is an asterisk (*) that is
displayed
to
the
left
of
the
power meter readout.
1-18 Overview