>Print Page Are the PTU-CPI and PTU-SDK that use binary commands faster than ASCII commands? Yes, binary commands are faster than ASCII commands for the PTU-CPI and PTU-SDK. Related Articles Instructions Are there any special instructions on how to focus wide field of view lenses for Tau, Tau2? Read the Story System Requirements What voltages can I use on the Tau2 and Quark2 serial port? Read the Story Product News How to find HVAC Air Leaks with the FLIR ONE Pro Read the Story