Specifications

D-1
APPENDIX D: COMMAND
KEYS
A brief overview of the analog and digital command keys is given below.
D.1 ANALOG COMMAND KEYS
The Alto 818 will recognize SE 1030, SE 1040, SE 1050 and SE 1060 analog command keys,
but 1030 and 1040 keys cannot be mixed. These keys can be identified by the number digits as
shown in Figure D-1 and Table D-1. Analog command keys are 3.36 in x 2.125 in x .01 in ( 8.53
cm x 5.38 cm x 0.25 cm); operating temperature range is -50° F to 120° F (-46° C to 49° C).
Figure D-1: Analog Command Key Number