Keysight E4980A - Page 499

Keysight E4980A/AL User’s Guide -499
Scanner Interface
Setting Up the Scanner Interface Board
Step 6. Connect the flat cable to the scanner interface board, replace the scanner
interface board, and fix it onto place with the two screws.
Table F-12 Setting Bit Switch (S2)
Bit Default Pull-up
Resistor
EXT. DCV Function
1-8 On 410 
(When on)
5 V  EXT.DCV  8 V /CH0 to /CH7
SW for input resistance
820 
(When off)
8 V < EXT.DCV  15 V
Bit switches S1 and S2 can be identified by the labels “S1” and “S2” on the
scanner interface board.
Applying excessive force to the screws may break the tapped hole (less
than 0.98 N-m, 0.1 kgf-m).