Technical data

4 Theory of Operation
46 N1911A/1912A P-Series Power Meters Service Guide
Front Panel Assembly
Purpose
• Provides a keyboard as the manual user interface
• Provides an LCD display to assist with manual setups and
measurements
• Provides mounting for the sensor and power reference connectors
(option 101)
Inputs
• Power supplies [from PSU, via main board]
• Front panel control interface [from the PPMC LVDS LCD control
lines, via main board]
Outputs
• Keypress data [to PPMC, via main board]
• Information on the LCD display
• Control and data lines [to PPMC, via main board]