Yokogawa 2-Wire Dual Channel Transmitter/Analyzer FLXA21 - Manual (Page 207)

<17. CALIBRATION OF SENCOM pH/ORP>
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IM 12A01A02-01E 5th Edition : Oct. 31, 2013-00
17.4 HOLD
The FLXA21 has a function to hold the mA output at a preset value (default: “Last”).
Use this menu to hold the output.
For the settings, see “n Configure Hold” on page 16-11.
During commissioning or quick setup, the output is automatically held.
Setting “Hold during Calibration/Wash” to “Disabled” deactivates the hold function during
calibration or washing.
Press to select Execute: HOLD and then choose Manual Hold ON or Manual Hold OFF.
This allows you to set up manual hold.
10.38
Tag:SENCOM
25.0
4mA 20mA PH1
°C
pH
HOLD
Figure 17.2 Example of the display with the manual hold enabled
To cancel manual hold, press the lit HOLD section on the Main display.