Lincoln Electric service manual Controls and Settings, Figure B.1 SP-250 Control Panel Keys

		B-5		OPERATION		B-5
TOC	TOC	CONTROLS AND SETTINGS
Section	Master	All operator controls are located on the Front Panel
		Keypad/Nameplate. See Figure B.1 for the location of
		each control.
Return to	Return to
Return to Section TOC	Return to Master TOC
to Section TOC	to Master TOC
Return	Return	FIGURE B.1 - SP-250 Control Panel Keys
		1. POWER SWITCH: Toggle switch to turn input			3. PROCESS WIRE/GAS KEY: Press key to
		power ON and OFF. When the switch is in the ON			display the Wire Type, Wire Diameter, and Welding
		position the red LED backlighting of the LCD dis-			Gas. Each combination of wire and gas dictates a
		play lights and alphanumeric characters appear.			unique relationship between the wire feed speed
		The welding setup in operation when the power			and the arc voltage. The SP-250 uses this unique
		was shut off or disconnected is displayed when			relationship, along with the metal thickness, to set
		power is restored.			the proper values for wire feed speed and arc volt-
TOC					age. Therefore, it is very	important that the wire
	TOC	2. SET UP ARROW KEYS: Press keys to			type, wire diameter, and welding gas displayed
		change the display selection directly above the			match the actual wire type, wire diameter, and
Section	Master	keys.	See Figure B.1.	Function of arrow keys	welding gas being used for the weld.
		change depending on PROCESS KEY being used.
		For function of arrow keys, refer to each process or
to	to	procedure. See Table B.1 for summary of arrow
Return	Return	key operation.

IDEALARC SP-250