Additel 221A Multifunction Temperature Calibrator User Manual - Manual (Page 48)

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5. If you want to stop sourcing, press Stop, and the softkey label will change back to Start, you can resume sourcing
pulse too.
8.3.10 Resistance Simulation
Proceed as follows to simulate resistance:
1. If source is active, press
once, otherwise press
twice.
2. Press Up/Down to select the first item (range 1to 400Ω) or
second item (range 1 to 4000Ω) from the pop‐up lists, and
then press Enter or the Done to change the source to
resistance simulation.
3. Refer to the sections 8.3.1, 8.3.2, 8.3.3, 8.3.4 or 8.3.5,
select a method to change the source value according to
your need.
8.3.11 Current Source
Proceed as follows to source current:
1. Figure 8.15 shows the current source connections.
2. If source is active, press once, otherwise press
twice.
3. Press the navigation keys Up/Down to select the first item
(internal 24V DC loop power) or second item (extern power) from the pop‐up list, then press Enter or Done to
Figure 8.15 Current Source