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
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
4.Press !Choice.
5.Use DUto highlight the desired
6.Press Eto accept the highlighted selection.