To Select A Multiplexer (Voltmeter Monitor Point) - HP 70427A User Manual

NOTE

To Select a Multiplexer (Voltmeter Monitor Point)

To Select a Multiplexer (Voltmeter Monitor
Point)
A multiplexer is read by first selecting the desired block and multiplexer
point, then reading the voltmeter.
Step 1 - Determine which point to monitor
Available multiplexer points are listed in the tables at the end of this chapter
on the block diagrams at the end of chapter 13.
Step 2 - Access the hardware control softkeys.
1. Press the .
Service
2. Press the
Hardware Control
Step 3 - Select the block
Press the block softkey until the name of the desired block is shown next to
the Block: display.
Step 4 - Select the multiplexer point
1. Press the
VOLTMETER
2. Enter the multiplexer point with the numeric keypad and press the
ENTER softkey or use the up/down keys to select the point. (The
multiplexer point is shown on the
Step 5 - Read the Voltage
The voltage is shown on the
in millivolts, however, it may, in some cases, represent current milliamperes.
The voltage reading is not continuously update. To generate a new reading,
press .
UPDATE DISPLAY
Advanced Hardware Control
softkey.
softkey.
display.)
Mux:
display. Generally the value displayed is
Volt:
HP 70427A/HP 70428A User's Guide 8-5