6 Using the vLoc-5000
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6.4.3
Using the Remote Antenna USB
The remote stethoscope antenna can be used to help identify a particular cable on a cable tray or where
cables are bunched together.
Methods:
1. Connect a signal to the cable to be identified. The remote stethoscope functions has an operational
frequency range of 512Hz up to 200kHz, but low frequencies should be a preference in this application
as they are less likely to leak or bleed over to other cables.
2. The best method of signal application when identifying cables is to use the signal clamp. This is because
the signal clamp applies a signal to the target cable and shares an equal amount with other cross bonded
cables.
3. When using the signal clamp, both ends of the target cable should be grounded. Apply the clamp below
the ground point. Applying the clamp above the ground point will prevent the signal finding the return path
through the ground, so is not advised.
4. If this is not possible use a transmitter signal clamp and you have confirmation that the cable is out of
service, use a direct connection lead to make an electrical connection to the cable. Removing any cross
bonding between cables prevents the signal travelling along commonly bonded cables.
5. Do NOT use the Induction method as the signal will appear on all cables in the area of the transmitter.
6. Connect the remote stethoscope antenna to the accessory input of the Receiver. The correct settings
and user interface will be automatically selected.
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