Specifications

Alto 818 Installation and Operation
3-8 P/N 66109074001 Rev. D
3.3.3 DIGIREADER
The installer should refer to the installation manuals for the specific readers being installed.
Generally, care must be taken when choosing the installation site to avoid possible external
sources of RF interference. Typical sources of interference which should be considered in the
location of a reader include:
 Air conditioning systems
 Arc welders
 Diathermy machines
 Electric motors
 Elevator lift motors
 Fluorescent lighting
 Industrial equipment
 Radio transmitters
 Relay panels
 PC monitors
 Telephone switching panels
Reader height should be convenient for all command key holders, with consideration for those
with physical limitations.
3.3.4 REMOTE STATION SWITCH
A remote station switch, used to change building modes without access to the Alto 818 by host
computer or terminal, should be located on the perimeter of the controlled area or building.
* The DigiReders may be used with the SE 818SC only. They are not supported by the SE
818SX.