JDS Uniphase RM3 Series, User Manual

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20
Messages and Symbols
The messages and symbols displayed by the Backreflection Meter are described in Table 7.
Table 7: Backreflection Meter Display Messages and Symbols
Display Description
RMXXXXB VERY.Y
Displayed momentarily during the power-up sequence and indicates
the model number (XXXX) and the software version (Y.Y).
STABILIZING
Displayed momentarily during the power-up sequence as the initial
internal reference measurements are made.
BR=-XX.XdB
Backreflection mode.
P=-XX.XXdBm
Power mode.
P=-XX.XXdB rel
Relative Power mode.
*
Displayed when the BR value is within the last 5 dB of range if using
BR
0
, or from -60 to -75 dB if not using BR
0
.
B
Low battery.
<
P or BR is lower than the minimum value.
>
P is greater than the maximum value.
BRo STORED=-XX.X
Displayed momentarily when the BR value (-XX.XdB) is being stored
as BR
0
.
ID STORED
Displayed momentarily when measuring I
D
.
TOO MUCH LIGHT
Displayed momentarily if the I
D
value is too high.
INPUT LOW
Displayed momentarily when the laser power is too low.
INPUT HIGH
Displayed momentarily when the laser power is too high.
SOURCE UNSTABLE
Displayed momentarily when the laser power is unstable.
1.3 BR CAL= X.X
Indicates the backreflection user calibration value at 1.3 µ m (1.3 µ m
is taken as an example).
1.5 BR CAL= X.X
Indicates the backreflection user calibration value at 1.5 µ m.
1.3 PW CAL= X.XX
Indicates the power user calibration value at 1.3 µ m.
1.5 PW CAL= X.XX
Indicates the power user calibration value at 1.5 µ m.
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