DSP-100/2000

Users Manual

Overvoltage Test

The test tool periodically checks for dc voltages on the cable connected to the RJ45 jack. A dc voltage means that the test tool is connected to an active telephone cable or other power source. If voltage is detected, the following message appears:

WARNING! EXCESSIVE VOLTAGE DETECTED AT INPUT. Voltage on the cable can damage the test tool or cause errors in measurements. Voltage must be removed before you can run any tests.

Noise Test

The test tool periodically checks for excessive electrical noise on the cable under test. If excessive noise is detected, the following message appears:

WARNING Excessive noise detected.

Measurement accuracy may be degraded. To continue the test, press E. If you continue the test and then save the test results, the test report will include the warning given above.

To stop the test and return to the first screen of the selected test mode, press e.

Configuring the Test Tool

Controlling the Backlight

To turn on the display backlight, press Con the keypad. Press the key again to turn off the backlight. On Model DSP-2000, the backlight key toggles the backlight between two levels of brightness.

You can set the backlight timer to automatically turn off the backlight after a specified period of inactivity. You can also disable the backlight timer.

To set the backlight timer or disable the timer, proceed as follows:

1.Turn the rotary switch to SETUP.

2.Press $Page Down once.

3.Use Dto highlight the backlight time-out setting.

4.Press !Choice.

5.Use DUto highlight the desired time-out period or the disable status.

6.Press Eto accept the highlighted selection.

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Fluke DSP-2000, DSP-100 user manual Configuring the Test Tool, Overvoltage Test, Noise Test, Controlling the Backlight