IM CA71-E
4-17
Source
4
Step 7: Pressing the
key causes the
indicator on the LCD
to change from
to
. The output terminals turn on and off
at the preset frequency.
Step 8: To turn off the output, press the
key once again. The
appears on the LCD and the output terminals are open-cir-
cuited.
NOTE
• The contact has polarities. Always connect the positive side to the H output
terminal of the calibrator and the negative side to the L output terminal.
• Exercise the utmost care not to allow the contact current to exceed 50 mA.
4.5 Sourcing Pulse Signals