Section 2: Using the front-panel interface
Series 3700A System Switch/Multimeter User's Manual
Multiplexer, digital I/O, totalizer, and DAC channel specifiers
The channels for multiplexer (MUX), digital I/O, totalizer, and digital to analog converter channels are
referred to by their slot and channel numbers:
•
Slot number:
The number of the slot in which the card is installed.
•
Channel number:
The number of the channel (always three digits).
Specifier
Slot
number
Channel
number
1004
1
004
2050
2
050
3012
3
012
3003
3
003
2007
2
007
1020
1
020
Operating a channel from the front panel
CAUTION
Hot switching can dry-weld reed relays, causing them to always be on. Hot switching is
recommended only when external protection is provided.
You can perform operations on a single channel from the front panel.
To select a channel:
1. If the instrument is being controlled remotely, press
EXIT
to allow control from the front panel.
2. Press the navigation wheel to select the first digit of the channel specifier, which is the slot
number
c
. The digit flashes, which indicates that it can be edited.
Figure 7: Select a channel from the Series 3700A front panel
2001 | ----.--- V
2001 | ----.--- V
OPN,2 | DCV:R=AUTO N=1.0000 AD
OPN,2 | DCV:R=AUTO N=1.0000 AD
AUTO
AUTO
1
2-8
3700AS-900-01 Rev. A / July 2011