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Features:
1. With ringer on/off adjustment function.
2. With audio/pulse conversion function.
3. Use redial to turn off the function.
4. Designed using state of the art microprocessing chip and high quality electronic circuitry, the reliability of the machine is fully guaranteed.
5. The appearance is novel and beautiful, generous.

Specifications:
Model: 1002
Plug: RJ45 and alligator clip
Color: White, Red (Optional)
Recording function: No.
Caller Number:No
Visual function: No
Number saving function: No.
Touch Screen:No
Scope of application: Engineering test

Package List:
1 x Telephone Line Tester
1 x Test Line
1 x Chinese manual (English language not guaranteed).

How to use:
1.Answer calls:
The outer line calls the local machine and makes a call, opens up the phone, talk to the other one, complete the calls, close the phone, resume the on-hook state, avoiding the line during long talk and outside phone
2.Make a call:
Open the phone and dial the dial tone, dial the number and hear the ring back tone. This indicates that the incoming call is ringing, waiting for the opponent to answer and the call has ended.
3. Redraw and exit function.
If your phone number is in calling, you can close the phone and open it later. Redraw