Only the SYS800 Operating Instructions are available. This is an obsolete model and only selected parts are available from HME. There are however third party service centers that may be able to assist you in obtaining parts that the factory no longer offers.
Thorntronics Inc., Canada (416) 467-0649 www.thorntronics.com
Production Wireless Services, USA (818) 840-9311 www.productionwireless.com