The G210HL Micro Heading Lock MEMS Gyro by E-flite is a quality built remote controlled helicopter accessory. See all our RC product options online at Heading Lock Gyro gal.com.tw. 5. Delay. GAUI. 0 口口. Specifications. Control system: AHTCS. (Active Helicopter Tail Control System).Gyro Instruction Manual. Introduction. The G110 Micro Heading Lock Gyro's small size. (25 x 25 x 16mm) and low weight (11.0 grams, including leads. Gyro. G210 MEMS Micro Heading Lock (installed) Please refer to your transmitter manual for more information on programming throttle hold. This manual contains instructions for safety, operation and maintenance. It is essential to read and follow all the instructions and warnings in the manual,