GW Instek GSP-830 User Manual - Manual (Page 49)

AMPLITUDE
49
Set Vertical Scale
Vertical display scale is defined by the reference
amplitude, amplitude range, measurement unit, and
external gain/loss.
Set reference amplitude
The reference level defines the amplitude at the top of the displayed range
(see below screen snapshot).
Panel operation 1. Press the Amplitude key.
Amplitude
2. Press F1 (Ref.Level).
Ref.Level
-30.0dBm
F 1
3. Enter the value using the
Numerical and Unit keys, Arrow
keys, and Scroll knob.
BK SP
dB
Enter
GHz / Sec
mSec MHz /
kHz / Sec μ
*Arrow keys and Scroll knob resolution: vertical
scale
Range dBm −110 to +20 dBm, 0.1dB resolution
dBmV −63.01 to +66.99 dBmV, 0.01dB resolution
dBuV −3.01 to +126.99 dBuV, 0.01dB resolution
See page50 for selecting amplitude units.
Display Reference Level Reading
Reference
level