HP 9050 CE Handbook page 36

7-2 9050 Peripherals
LOAD RESISTOR PACK
IN NORMAL-SPEED POSITION
OR IF NOT SYSTEM CONTROLLER
IN HIGH SPEED
MOVE LOAD RESISTOR PACK
HERE FOR HIGH-SPEED OPERATION
AND SYSTEM CONTROLLER
S7:
-UP FOR NORMAL SPEED
-DOWN FOR HIGH SPEED
HP 27110A/B HP-IB Interface Card