Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Out Dated Technology, Poor Customer Service

Manual offers very little useful info. Little or NO info in manual, software or website that pretains to LIVE DATA or PIDs, so info retrieved is basically alot of jibberish! Downloaded an Acrton Scanner manual to get info the Equus should have supplied! Item connects to computer via serial port which is an out dated technology! VERY OUTDATED TECHNOLOGY, so unless your computer was puchased more than 7 years ago this device and software may not work or work correctly! Local computer store laughed when I asked for a USB to Serial Adapter and asked what I would buy that needed such an outdated connection port! The second store had only one on the shelf, it cost $40! Incomplete live data reported on device! Poor screen quality! Contacted manufacture custmer service 3 times to trouble shot device and software, always very very rude customer service & technical support!!!