Apollo NMS
Displays, Lights, and Controls
Power Switch
A rotary switch is located on the front panel near the left side of the
2101 NMC. A pull switch is located on the left side of the 2001 NMC.
LED Display
A photocell automatically adjusts the brightness of the LED (Light
Emitting Diode) display. The display consists of 3 lines with 16
characters each.
Knobs
The Large knob has two functions. First, it is used to scroll through
top-level displays in each mode. Second, when part of the display is
flashing (i.e., editing is on), the Large knob is used to choose which
character or characters on the display will flash.
2