Agilent Technologies 86121A, Руководство пользователя, Страница: 29 / 240

2
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8 Front-Panel Keys
Sets the WDM channel analyzer to a known state.
Preset Conditions
Item
Settings after Preset
Key is Pressed Settings after Power is
Turned On
Wavelength range limiting on
last state
a
Start wavelength 1270 nm last state
Stop wavelength 1650 nm last state
Graphical display off off
Measurement acquisition continuous last state
Elevation correction value not affected last state
Wavelength units nm last state
Power offset 0 dB last state
Peak threshold 10 dB last state
Peak excursion 15 dB last state
Measurement speed normal last state
Device bandwidth narrowband last state
Drift measurements off off
Delta measurements:
∆
power off off
∆
wavelength
off off
∆
wavelength and power
off off
Reference signal position 1270 nm 1270 nm
Signal-to-noise measurements
measurement off off
number of averages 100 last state
GPIB address not affected last state
Remote interface selection not affected last state
Serial port settings not affected last state
Power-bar display on last state
Selected printer not affected last state
a. The term “last state” refers to the last setting that this parameter was in before the instrument power
was turned off.