Black Box CLM5000 Computer Accessories User Manual


 
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Cable Length Meter
Page 10
3. General Functions
3.1 PWR Key and Auto Power Off
Press the PWR key to turn the unit on and off. If no keys have been pressed, the
Cable Length Meter powers off automatically after 10 minutes. The timer resets
every time you press a key. In Tone mode, the unit will automatically power off after
1 hour.
3.2 Mode Key
The Cable Length Meter operates in eight modes. Press the “Mode” key to cycle
through the various modes:
AWG/mm/mm
2
mode: measures cable length in AWG/mm/mm
2
, feet/meters,
copper/aluminum
Coax mode: measures cable length, distance to opens, or distance to short
Telco mode: measures cable length, distance to opens or distance to short
Network: measures cable length, distance to opens, or distance to short
Ohm: measures resistance from 0 to 635 ohms
Tone: generates four different tones
3.3 AL/CU Units Key
The AL/CU key functions in two ways.
Function #1: Press the AL/CU/Units key to select wire alloy type: copper (CU) or
aluminum (AL). When selected, the “AL” or “CU” icon will light in the lower right
corner of the display.
Function #2: Hold the AL/CU/Units key down for approximately 1.5 seconds. The
unit will toggle between “Feet” or “Meters”. When selected, the “FT” or“M” icon
will light in the center right hand side of the screen.