Anritsu MS9740B - Setting Level Scale; Changing Scale; Changing Reference Level

3.6 Setting Level Scale
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3
Measurement
3.6 Setting Level Scale
To set the level scale, the vertical axis on the screen is set.
3.6.1 Changing Scale
1. Press
Log (/div)
.
2. Input the scale per division using
f1
though
f7
keys or the rotary
knob. The input setting range is 0.1 to 10 dB.
3.6.2 Changing Reference Level
1. Press
Ref
.
2. Input the reference level using the rotary knob or keypad.
The input setting range is +30 to –90 dBm.
Note:
When the
Ref
key is pressed when the scale is linear display, a
message dialog box indicating that the reference level cannot be set
is displayed. Press
Log (/div)
to change the display item to the log.
To set the wavelength peak level at the reference level, press
Ref
Lvl
.