Lutron Electronics PM-9102 - 3 Front Panel Description; Display; Power Off;On Button; Hold Button

3. FRONT PANEL DESCRIPTION
Fig. 1
3-1 Display 3-7 P1 input socket
3-2 Power Off/On Button 3-8 P2 input socket
3-3 Hold Button 3-9 RS-232 Output
3-4 Zero Button Terminal
3-5 " MAX./MIN. " Button 3-10 Battery Compartment
3-6 Unit Button /Cover
3-11 Plug/ quick coupler
4