The A310 pulse generator/stimulator combines the reproducibility and accuracy of digital electronics with the fine resolution and continuous adjustment posÂsiÂble with analog circuitry. All timing paÂramÂeÂters are entered with high resolution, ten-turn poÂtenÂtiÂomÂeÂters and six-position range switches. Timing is acÂcuÂrate to within 1% of the set value.