HP 53131A - Backdating Specifications

Chapter 6 Backdating
Backdating Specifications
6-16 Assembly-Level Service Guide
6
Backdating Specifications
CHANGE 1 (53131A, Serial Prefix 3710A and Below)
Page 7-3, External Arm Input Specifications:
Change the Signal Input Range specification
from:
TTL Compatible
to:
High-Level Input: >3.0 V
Low-Level Input: <1.5 V
CHANGE 2 (53132A, Serial Prefix 3546A and Below)
Page 7-3, External Arm Input Specifications:
Change the Signal Input Range specification
from:
TTL Compatible
to:
High-Level Input: >3.0 V
Low-Level Input: <1.5 V