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Reference Manual
00809-0100-4808, Rev CA
June 2008
A-7
Rosemount 3051N
ROSEMOUNT 275
Communicator Keys The keys of the Rosemount 275 HART Communicator include action,
function, alphanumeric, and shift keys.
FIGURE A-6. Rosemount 275
HART Communicator.
Action Keys As shown in Figure A-6, the action keys are the six blue, white, and black
keys located above the alphanumeric keys. The function of each key is
described as follows:
ON/OFF Key
Use this key to power the Rosemount 275 HART Communicator. When the
communicator is turned on, it searches for a transmitter on the
4–20 mA loop. If a device is not found, the communicator displays the
message “No Device Found. Press OK.”
If a HART-compatible device is found, the communicator displays the
ONLINE MENU with device ID and tag.
Directional Keys
Use these keys to move the cursor up, down, left, or right. The RIGHT
ARROW key also selects menu options, and the LEFT ARROW key returns
to the previous menu.
Function Keys
Action Keys
Alphanumeric Keys
Shift Keys