■ Super over-current protection, short-circuit protection function
■ Large LCD display with backlight
■ 3 3/4 digits voltage and frequency display at the same time
■ Logarithmic sweep frequency and manual frequency modulation two ways
■ Sweep start point, end point and sweep time can be set as required
■ Unique and reliable audio power amplifier design
■ With attenuation output (600Ω load resistance)
■ Convenient operation and maintenance
