Boonton 4500B Peak Power Meter Uživatelský manuál stáhnout pdf (Strana 172)

Boonton 4500B RF Peak Power Analyzer

Operation

4-100

Filter setting. This results in a "peak hold" characteristic where the min and max peaks increase immediately on the trace

when acquired and then, decay slowly. To hold the peaks longer, increase the Chan # > Exten > Filter setting. To maintain

the min and max peaks, turn Chan # > Exten > Peak Hold hannel.

In Statistical mode (Option 10 only), the CDF and CCDF are drawn filled in below the trace line when enveloping is on. The

PDF is always drawn as a filled distribution.

Note that the envelope setting does not affect any readings returned by markers, automeasure system, or remote commands.

Only the display presentation is affected.

Table 4-44. Display > Menu

Menu Item Function

(Type) Selections (SCPI cmd)

Persistence Pulse Enables or disables trace persistence.

(Toggle) Off, On See discussion above, Sect. 4-18.

DISPlay:PERSistence {ON, OFF}

Envelope Pulse, Mod & Stat Enables or disables trace envelope mode.

(Toggle) Off, On See discussion above, Sect 4-18.

DISPlay:ENVElope {ON, OFF}

Beep Off, On Controls the processor audible beeper

(Toggle) 

is pressed.

SYSTem:BEEP {ON, OFF}

Brightness 10% to 100% Controls the display backlight

(Numeric)

Use any of the data entry keys to vary the

intensity of the LCD backlight. The default

setting is 90%.

DISPlay:BACKlight:BRIGhtness

<0 to 100>

Screen Saver MENU Opens the screen saver submenu

(Submenu)

Fig 4-60. Display >

1 2 ... 167 168 169 170 171 172 173 174 175 176 177 ... 371 372

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Boonton 4500B Peak Power Meter Uživatelský manuál Strana 172