Extech Instruments TG20 Manual

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TG20-EU-EN-V1.0 03/12

Identifying telephone cable Tip and Ring – Using Alligator Clips

1. Switch the transmitter to the OFF position

2. Connect the BLACK clip to ground

3. Connect the RED clip to a line.

4. The LED color identifies the line.

5. GREEN indicates the Ring line, RED indicates the Tip line.

6. If both RED and GREEN light up, AC voltage is present (do not exceed 24V)

Identifying telephone cable Line Condition

1. Switch the transmitter to the OFF position

2. Plug the connector into the phone line or connect the RED clip to the RING line and the

BLACK clip to the TIP line.

3. The LED color identifies the line condition.

a. GREEN indicates a clear line.

b. RED indicates a busy line.

c. Green with a flashing RED indicates a ringing line.

Battery replacement

Open the battery cover and replace the battery as needed.

You, as the end user, are legally bound (Battery ordinance) to return all used batteries

and accumulators; disposal in the household garbage is prohibited!

You can hand over your used batteries / accumulators at collection points in your

community or wherever batteries / accumulators are sold!

Disposal: Follow the valid legal stipulations in respect of the disposal of the device at the

end of its lifecycle

Specifications

Power 9V battery (1 for transmitter and 1 for probe))

Dimensions Probe - 8.7x2x1.3" (220x50x32mm)

Transmitter - 2.6x2.7x1.1" (65x68x28mm)

Weight Probe 3.2oz (91g);

Transmitter3.2oz (91g)