astra777We have 1 Scytek electronic ASTRA 777-TC manual available for free PDF download: Product Manual . Scytek Electronic ASTRA 777-TC Product Manual (40 pages) VEHICLE SECURITYThe Astra 777 2-way LCD remote transmitter is offering an increased range and confirmation of any activated features. Button 1 Arms and Disarms the system and when held for 2 seconds,