Agilent Technologies 4294A Instruction Manual download pdf (Page 55)

Chapter 3 47

Front/Rear Panel and LCD Display

Front Panel

3. Front/Rear Panel and

LCD Display

5. MARKER Block

The MARKER block provides keys for configuring marker settings. A marker is an

inverted triangle (Ñ) that appears on the measurement trace (waveform). The marker

allows you to read the value of a parameter at a specific point on the trace.

6. INSTRUMENT STATE Block

Provides keys for configuring basic instrument settings that are not directly related to

[Back Space] key Deletes the character to the left of cursor and moves the

cursor back one space. If you make a mistake in entering a

value through numeric keys, you can use this key to correct

your entry.

[0] through [9] keys

(numeric keys) with

[.] and

[-] keys

Use these keys to enter each numeral that makes up your

entry. Finally, press a unit key to put your entered value

into effect.

[G/n][M/m][k/m][´1] keys

(unit keys)

After entering your desired value through numeric keys,

press one of the unit keys to suffix the value with the

specific unit. Your entered value does not take effect until

you press a unit key. Each unit key, except the [´1] key,

represents two different units, identifying them with their

respective initial letters. Which unit to use is automatically

determined based on the selected parameter. Use the [´1]

key to enter a value that does not take a specific unit.

[Marker] key Provides access to a softkey menu that lets you configure

the basic marker settings such as turning on/off the marker

facility.

[Marker®] key Provides access to a softkey menu that lets you assign the

currently marked value to another parameter. From the

softkey menu, for example, you can select the

MKR®START key to use the sweep parameter value at the

current marker position as the value at which to start the

sweep; this way, you can start a new sweep cycle from the

current marker position.

[Search] key Provides access to a softkey menu that lets you activate the

marker search function. The marker search function

automatically moves the marker to a specific position (such

as the maximum value) on the trace so you can check the

value of the parameter at that position.

[Utility] key Provides access to a softkey menu that lets you activate

other marker functions in addition to the marker value

assignment (

[Marker®]) and marker search ([Search])

functions.

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