WA-1100/WA-1600 Wavemeter Operating Manual
2 Front Panel Communications
08115-M-00 Rev E
2-5
Poffs
Displays the power offset value applied to subsequent power measurements. The power
offset values enable you to obtain accurate power readings when you place an attenuator
external to the instrument. If you enter a power offset value equal to the external attenuator,
the instrument automatically displays the correct power. This is useful if the signal input
power exceeds the maximum allowed input of 10 mW (10 dBm).
Off indicates a power offset is not used.
Numeric value (1, 2, …, 20 in dB units). You cannot change the type of units. Change the
numeric value on the Measurement setup screen.
Power
The current laser power displayed in the selected units. You can change the type of units on
the Main or Power display screen. The options are dBm, mW or
µ
W.
Reset
Restarts calculations of Current – Start and Max - Min. When actuated, it zeros elapsed
time, then displays the start and current values.
Error
Message
Indicates an error message, if any. Refer to Appendix C for messages and corrective action.
Vacuum
You can change the medium to standard air on the Main and Wavelength screens.
Wavelength
The current wavelength displayed in the selected units. You can change the units on the
Main or Wavelength display screen. The units are nm, cm-1 and GHz.
If an error has occurred, this area displays a status message.
Refer to Appendix C for messages and corrective action.
Presence indicates that an exception has occurred. Check the status screen or read the status
byte (see *STB Command on page 3-7). Refer to Appendix C for messages and corrective
action.
Setup Screens
The setup screens provide information that affects the display of measured values and
calculation of values. Each screen is summarized below and described in more detail in
the tables that follow.
Configuration.
Contains parameters that affect how the instrument makes specific
calculations and how it determines the information on the instrument display, for
example, save and recall the parameter selections, change the brightness of the
instrument display, and reset the null value for power measurement. Refer to Table 2-3
for details.
Communications.
Use to change remote communication parameters. Refer to Table 2-4
for details.
Information.
Displays the instrument's serial number and software version information,
reference laser information, pressure, and internal temperature for review. The WA-1600
reference laser information includes the peak power, percent of peak power and the
minutes to warm up, and the WA-1100 displays just the peak power.
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