Klein-tools VDV501-090 Bedienungsanleitung PDF herunterladen (Seite 10)

ENGLISH

Step 6

Step 9

Step 11

SETTING NVP VALUES

The NVP value must be set correctly in order to obtain an accurate length

measurement from the device.

•

Manually Setting NVP:

Press the Power button. The unit will start up in Test Mode.

Use the Up and Down buttons to set the NVP value shown in the

lower left hand corner of the LCD screen.

Pressing and holding a button will change the value more quickly.

•

Saving NVP:

The Ranger™ TDR has two storage locations for NVP values.

Press the Memory button repeatedly to toggle between memory

locations.

Set the memory location using the procedure noted above.

Press and hold the Memory button. The up and down arrows

shown on the LCD screen will disappear when the new value has

been stored.

Recall a stored value by pressing the Memory button until the

desired memory location is shown.

TESTING CABLE & DETERMINING LENGTH

Once a cable's NVP value has been set, the cable length can be determined

using Test Mode. As stated in

Preparing to Test Cables,

the cable to be

tested should be left open on the opposite end from the tester.

A cable

terminated with an impedance closely matching the characteristic

impedance of the cable can produce inaccurate test results.

•

Testing Cable:

Attach the cable to be tested as instructed in

Preparing to Test

Cables

section.

Cables section.Cables

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Klein-tools VDV501-090 Bedienungsanleitung Seite 10