Buttons
When pushed in, selected the associated channel for transmission and the three green lines illuminate. The channel is deselected by pushing the switch again or selecting another channel.

• Paper Alarm - Illuminates when there is approximately less than 25 ft of paper available.
• Test - When pushed, a test pattern is performed.
• Slew - Used to exit paper from the printer.
• Off - ON / OFF switch.

Door Latch
Opens spring loaded Printer Access Door.