IM 1E10C1-E
7-3
7. OPERATION VIA HART COMMUNICATOR
7.2 Basic Operation of the HART Communicator
(Model 275)
7.2.1
Keys and Functions
LCD (Liquid crystal display)
(21 characters
×
8 lines)
Communication Cable
Function keys
Functions of the keys are indicated on the
display.
Hot key
Call up Hot Key Menu as follows:
1. Span
2. Enable Write
3. New Password
Shift keys
Use to enter
alphabetic characters.
1. Change the display contents.
2. Move the position where a number or
character is to be entered.
Example
Pressing calls up the display
corresponding to the item pointed with the
cursor.
Pressing returns to the previous
display. (See 7.2.3 Calling up Menu
Alphanumeric keys
1. Enter numbers and characters.
2. Select the desired menu item with the
corresponding number. (See 7.2.4 Entering,
Setting and Sending Data)
Example
Pressing single key enters the number.
Pressing the key with shift key enters the
alphabetic character.
Move the inverse video bar (cursor) on the
display for selecting the desired item.
ABC
7
ABC
7
To enter “7”,
To enter “C”,
‘7’
‘C’
(Press)
(ENTER)
Power ON/OFF
Figure 7.2.1 HART Communicator
