GW Instek GSP-830 User Manual - Manual (Page 61)

AUTOSET
61
RBW/VBW/Sweep
after Autoset All the three BW related parameters, RBW, VBW, and
Sweep, will be reset to Auto mode when using Autoset,
regardless of their previous settings.
Limit vertical search range
Background You can set the amplitude floor so that the signals lower
than the setting will be ignored by the Autoset search.
1. Press the Autoset key.
Autoset
Panel operation
2. Press F2 (Amp. Floor) to switch
the range from Auto (whole
range) to manual (limited range).
Amp.Floor
Auto Man
F 2
3. Enter the amplitude in dB using
the Numerical keys and dB or
Enter key. The Command
window shows the setting.
BK SP
dB
Enter
GHz / Sec
mSec MHz /
kHz / Sec μ
Amp. : -30dBm
Range dBm −80 to +20dBm, 0.1dB resolution
dBmV −33.01 to +66.99dBmV, 0.01dB resolution
dBuV +26.99 to +126.99dBuV, 0.01dB resolution
See page50 for selecting amplitude units.
Limit horizontal view range
Background You can change the frequency span limit in the display to
get a better view of the Autoset result. By default, the
frequency span after Autoset is set at 3MHz (Auto).
1. Press the Autoset key.
Autoset
Panel operation
2. Press F3 (Span) to switch the
range between Auto (3MHz
fixed limit) to Manual.
Span
Auto Man
F 3
3. Enter the frequency using the
Numerical and Unit keys.
BK SP
dB
Enter
GHz / Sec
mSec MHz /
kHz / Sec μ
Span : 10MHz
Range Zero span, 2kHz to 3GHz (Manual) 3MHz fixed (Auto)