Thermo Scientific ALPHA PH 550 Manual page 35

From pH (or ORP) measurement mode press ENT key to enter
1 1
setup mode as described in section 5.1. The LCD shows the first
screen of setup mode (OFS). Press ▲ or ▼ key to select viewing
electrode properties screen (CdAt).
Press ENT key to view electrode properties (CdAt).
2
Electrode status: The electrode annunciator
LCD. For pH measurement mode, the slope (in mV) is shown in the
upper display and pH reading at 0mV (pH7.00 ± offset) is shown in
the lower display.
For ORP measurement mode, the offset value (in mV) of the
electrode is shown in the upper display.
Press ENT key to quit from electrode properties screen. The pH
Monitor reverts to CdAt screen.
Press ▲ or ▼ key to access other setup screens or press ▲ and ▼ key
simultaneously (escape) to return to measurement mode.
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appears in the