1. Turn on light switch
    by doorway.

Switch control fluorescent "Room" lights.

2.  Press "power"
      switch.

Supplies power to the desk-mounted electronics.

3.  Press "Exam"
      switch.

Turns incandescent lights on and automatically turns "Room" lights off. (overrides "room" switch)

4.  Press "Desk"
      switch.

Controls desk light.  Operates as in (3) above.
(overrides room switch)

5.  Press "Room"
      switch.

Turns "Room" lights off/on.

6.  Operate "Slide
      Dimmer".

Controls brightness of "Desk" and "Examination" lights.

7.  Press "Screentest
     1" switch.

Operates "Flashing Fixation" lights of Screentest II.

8.  Press "Screentest
     2" switch.

Operates "Toy Dog" pediatric fixation device.

9.  Press "Screentest 
     3" switch.

Operates "White Muscle" light.  (Used with Maddox Rod).

Operates "Worth/Four Dot".  (Binolcular vision testing).

10.  Press "Screentest
      4" switch.

Operates "Chart Projector".

11.  Press "P.O.C."
      switch.

Should be "On" when no instruments are used in wells.

12.  "Wells" switch

Automatic Functions

13. Lift instrument from
        right hand well (3).

Causes "Exam/Desk" lights to dim to level set by rheostat under well (3).  When instrument is returned to well "Exam/Desk" lights revert back to Slide Dimmer control.

14.  Lift instrument from
        center well (2).

Causes "Exam/Desk" lights to dim to level set by rheostat under well (2).  When instrument is returned to well "Exam/Desk" lights revert back to Slide Dimmer control.

Causes "Exam/Desk" lights to dim to level set by rheostat under well (2).  When indirect is returned to hanger "Exam/Desk" lights revert back to Slide Dimmer control.

15.  Lift indirect from
        hanger.

Turning on Slit Lamp causes "Exam/Desk" lights to dim to level set by control under well (2).  When Slit Lamp Is turned off "Exam/Desk" lights revert back to slide dimmer control.

16.  Optional Slit Lamp
        controller.