Liquisys M CLM223/253 Operation options
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6.2.2 Operating elements
The display shows the current measured value and the temperature simultaneously, which
means you have an overview of the most important process data at once. Help text in the
configuration menu helps users configure the device parameters.
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17 Operating elements
1 LC display for displaying the measured values and configuration data
2 Key to switch relays in manual mode and to display the active contact
3 LED for alarm function
4 Changeover switch for automatic/manual mode
5 LEDs for limit contactor relay (switch status)
6 Main operating keys for calibration and device configuration
7 Field for user-defined information
6.2.3 Key functions
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CAL key
When you press the CAL key, the device first prompts you for the
calibration access code:
• Code 22 for calibration
• Code 0 or any other code for reading the last calibration data
Use the CAL key to accept the calibration data or to switch from
field to field within the calibration menu.
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ENTER key
When you press the ENTER key, the device first prompts you for the
setup mode access code:
• Code 22 for setup and configuration
• Code 0 or any other code for reading all the configuration data.
The ENTER key has several functions:
• Calls up the Setup menu from the measuring mode
• Saves (confirms) data entered in the setup mode
• Moves on within function groups
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