NAV FIXED ACTION BUTTON
UP AND DOWN
FDLS FIXED ACTION BUTTON
STR FIXED ACTION BUTTON
CDU IP1552G, Used with AN/ASN-137 DNS
AN/ASN137 Control and Display Functions
Display formats are organized as pages with 8 display lines; the bottom line is always used
as the scratchpad for entering or editing data.
Alphanumeric keyboard is used for entering data.
Move the cursor one space left or right, as appropriate, per keystroke. When pressed
constantly, will move the cursor at about 4 character positions per second.
Scroll through the waypoint dictionary pages, one page per keystroke. When constantly
pressed, will scroll through all dictionary pages at about one page per second.
Adjust display brightness.
If pressed in response to an ERROR prompt in the scratchpad, will clear the error prompt
and position the cursor at the first detected data entry error. If pressed a second time, will
clear the entire scratchpad. If no ERROR prompt is present when CLR is pressed, it will clear
the entire scratchpad.
Enters a blank space character.
Stores DNS present position in storage locations 16 through 19 in circular rotation.