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TheENTER/MENU keyis also used to enter selections or enable programming and calibration steps.
The EXIT key returns to the previous menu level.
The INFO keyprovides detailed instructions and explanations during programming and calibrating
procedures. It also provides troubleshooting tips for all faults and warnings that may occur during
calibration or continuous operation in process.
Navigation Keys
The four Navigation keys arranged around the ENTER/MENU key operate in an intuitive
manner similar to the navigation keys on a computer keyboard. During menu operation, these
keys are used to move the highlighted screen selection to another adjacent screen item. During
tag entry, the left key is used to delete entries during active alpha-numeric character entry.
Alpha-numeric Keypad
The alpha-numeric keypad has 12 keys as outlined below.
• Nine keys are alpha-numeric
• One key is a dedicated “1” key
• One key is a dedicated “0” key
• One key is a dedicated “.” (decimal point) key
The alpha-numeric keypad operates the same as entries on a mobile phone. The nine alpha-
numeric keys have multiple characters that can be entered for tag entries or during programming
and calibration steps. Character selections are made by pressing the key multiple times to toggle
to characters that are available on each key.
4.3 Main Display
The T56 displays one or two primary measurement values, up to six secondary measurement
values, fault and warning banner, alarm relay flags, and a digital communications icon.
Process Measurements:
Two process variables are displayed if two signal boards are installed. One process variable and
process temperature is displayed if one signal board is installed with one sensor. The Upper
display area shows the Sensor 1 process reading. The Center display area shows the Sensor 2
process reading. For dual conductivity, the Upper and Center display areas can be assigned to
different process variables as follows:
For single input configurations, the Upper display area shows the live process variable and the
Center display area can be assigned to Temperature or blank.
Secondary Values:
Up to six secondary values are shown in six display quadrants at the bottom half of the screen.
All six secondary value positions can be programmed by the user to any display parameter
available.
16 Display and Operation
Instruction Manual Clarity II T56
PN-51-T56 May 2012