CHAPTER 1: SYSTEM DESCRIPTION
IS-300CA INVERTER POWER SUPPLY
1-6 990-418
MA-660A Program Unit (“The Pendant”)
(Sold Separately)
The Control uses the Pendant to set the weld schedules and see the monitored results. The pendant is
connected to the Control by a cable attached to the connector on the front of the Control.
TROUBLE RESET key
Pressing this key after the cause of trouble is eliminated while an error message is indicated, turns off the
error message.
CURSOR Keys
Used to move the cursor or to select an item.
+ON/-OFF Keys
Used to change the value of a selected item or turn it ON and OFF.
ENTER Key
Used to write the set or changed value and [ON/OFF] data in the Power Supply connected to the MA-
660A. After any data is set or changed, be sure to press this
ENTER key to write that data before moving
the cursor.
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