LSI/CSI UL ® LS7538-LS7539 (631) 271-0400 FAX (6.
LS7538 - TOUCH CONTROL STEP DIMMER LIGHT SWITCH WITH AUTOMATIC GAIN CONTROL (AGC)
LSI/CSI UL ® LS7538-LS7539 (631) 271-0400 FAX (631) 271-0405 LSI Computer Systems, Inc. 1235 Walt Whitman Road, Melville, NY 11747 A3800 TOUCH CON.