| Test-Um's most popular tone generator, with advanced features including: three built-in tones, one steady and two warbles, for multiple lines testing; constant tone amplitude over life of the battery means accurate and traceable tones, even at the end of battery life; two tone amplitude levels, normal and half, let the user extend the tone reach; auto-off protects the battery life; tone may be added to any mode for using phone sets without monitor mode; power-saver feature in continuity mode to preserve battery life; separate Talk Battery mode for increased voltage and power for test sets; modular jack allows multiple cord sets to be used for different applications. |
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