Black Box Cable Length Meter, CLM5000 manual Calibrating the Test Lead, Tone Mode screen

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Chapter 4: Using the Cable Length Meter

4. Warble tones, low tone for 365 ms, followed by 65 ms of high tone.

Figure 4-6. Tone Mode screen.

4.5 Calibrating the Test Lead

1.Hold down the LEAD CAL key until the unit displays CAL. The unit will display CAL for a few seconds then display Shrt Lead.

2.Short the leads as illustrated Figure 4-7. Once connected properly to the bus wire, press the LEAD CAL key again. The unit will beep and display OPEN LEAD.

3.Disconnect the leads from the short. With the test leads open, press the LEAD CAL button. The unit will be beep and go into its normal operation mode. This completes the calibration procedure. This procedure must be done correctly for good measuring results.

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Contents December CLM5000 Page Weee Directive Compliance RoHS FCC and IC RFI StatementsInstrucciones DE Seguridad Cable Length MeterNOM Statement Trademarks Used in This Manual Table of Contents Specifications AWG SpecificationsOverview Introduction FeaturesOverview What’s IncludedHardware Description General Functions PWR Key and Auto Power Off Mode KeyAL/CU Units Key LCD Display Icons General FunctionsAWG Mode screen Using the Cable Length Meter AWG ModeUsing the Cable Length Meter Pair SGL Key SET LEN Key AWG Mode ExampleUsing the Cable Length Meter Normal Network Measuring screen Coax, Network, and Telco ModesSet Length Mode screen Tone Mode Changing Opens/Capacitance Coefficient Using Set LengthCalibrating the Test Lead Tone Mode screenWire under test Installing the Battery Installing the BatteryShipping and Packaging Troubleshooting Calling Black BoxBlackbox.com Blackbox.com Blackbox.com Black Box Tech Support FREE! Live /7