AT-E-16 (DRAFT) - Air Force Link

for relay to the ARTCC host NAS system. The ON/OFF power switch is located on the
back of the RANK peripheral element. The DIM/BRIGHT keys located at the upper
right on the keypad are used to control keyboard illumination. Increased brightness is
obtained by pressing the BRIGHT key.
The RANK is designed for composing and editing messages. The keyboard is divided
into three basic sections by functions: the alphanumeric section is for message entry, the
keypad to the far right is for editing messages, and the top function keys presently have
no function.
There are sixteen message types that may be generated on the FDIO at the RANK.
Messages entered at the RANK will be verified for proper message format before
transmission to the ARTCC host NAS computer if the RANK is in verify mode. If a
message format error is found, an error message is displayed at the RANK's paired unit.
If a RANK is not functioning correctly, or the NAS computer reports that it is not
transmitting, a technician will automatically be notified to find and correct the problem,
at the NAS.
Fig. 2-1: RANK
Standard Typewriter Format and Usage (All Keys and Space Bar Illuminated)
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