Agilent Technologies 8614 B Series User Manual page 133

Optical spectrum analyzer
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Preset
Resets the instrument to a known preset state. Selecting preset aborts any current operations
and clears the GPIB output queue. Preset leaves some settings in place, for example, the title on
the display.
Table 3-7. Default values
Function
Start wavelength
Wavelength offset
Resolution bandwidth
Wavelength units
Wavelength limit
Power reference level
Power scale
Ratio reference level position
Amplitude units
Amplitude correction
Sensitivity
Auto range
Repetitive sweep
Auto chop
Trigger mode
ADC sync out
Trace length
Current source duty cycle
User wavelength calibration
Graticule
Current marker
Bandwidth marker interpolation
Bandwidth marker units
Threshold enable
Pit search excursion
Marker search limit
Marker noise normalization
bandwidth
Marker 1–4
Preset Value
Function
600 nm
Stop wavelength
0
Wavelength step size
Auto
Resolution bandwidth to span
ratio
nm
Medium
On
Grating order
0 dBm
Power reference level position
10 dB/div
Ratio reference level
5
Ratio scale
Auto
a
Ratio units
Off
Source mode
Auto
Video bandwidth
On
Trans-Z lock
On
Sweep time
Off
Gated sweep
Normal
ADC trigger delay
Off
Sweep limit
1001
Current source pulse width
100%
Auto zero
Enabled
User power calibration
On
Annotation
MKR 1
Normal marker interpolation
On
Normal marker units
nm
Peak search threshold
Off
Peak search excursion
3 dB
Peak search on end-of-sweep
Off
Line markers
1 nm
OSNR Mode
OSNR Offset
Off
Marker 1–4 bandwidth
Function Reference
Preset
Preset Value
1700 nm
Auto
0.01
Vacuum
Auto
9
0 dB
10 dB/div
Auto
Off
Auto
Off
Auto
Off
10
s
µ
Off
100
s
µ
On
Enabled
On
Off
nm
–90 dBm
3 dB
Off
Off
auto
0.4 nm
Off
3-59

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