2-8. TEST CONSOLE TEST BENCH 2A2 CONTROLS AND INDICATORS (cont)
ANALOG TO DIGITAL CONVERTER ASSEMBLY 2A2A13
Control or Indicator
Loads range and address registers with information
entered in SWITCH REGISTER.
A/D conversions are made at
a slow rate with the results appearing on DATA display.
Simulates high speed selection and acquisition of a chan-
nel after ANALOG switch has been pressed.
Lights when a user card is requesting interrupt service.
Enters range and address information.
Loads address from SWITCH REGISTER into address register.
Upper two digits of SWITCH REGISTER are not used.
Displays digital information from address on DATA lines.
DIGITAL switch must be pressed before pressing IN switch.