Amprobe TT-300 Mini-Butt-Set User Manual
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INTRODUCTION
The TT-300 is designed for the installers, repair technicians, and other
authorized personnel for line testing and temporary communications.
The test set employs the latest in integrated circuit design to provide
DTMF (Touch Tone). Different from other test sets, it contains a mega
ohm (M
Ω
) meter for testing insulation resistance and telephone capacity.
The repairman can independently find out line conditions (faults) without
the help of central office (CO) by measuring the insulation resistance and
telephone capacity. The mini size and ear-microphone allows for hands
free operation. The mini size and hands-free function enables the line-
man to use both hands, thus enhancing safety, work efficiency, and eas-
iness to carry.
FEATURES
1. Monitor (Data Safe) Function
2. Hands-free Conversation with Ear-Microphone
3. Conversation without Ear-Microphone
4. Subscriber Calling
5. Tone Dialing
6. Call Receiving
7. Last Number Redial
8. Flash Function
9. Piercing Pin and Angled Bed of Nails Cord (ABN)
10. Telephone Line Capacity
Earth-State
Line-Cut (open)
Line-Short
11. Line Continuity Testing
12. Over-Voltage & Current Protection
13. Battery Check Function
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