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6.3 Submenu of pH Parameter Setting (press key to switch)
P1.1. – Select pH standard solution (USA-NIST)
1. In measurement mode, press key to enter P1.0 mode, then press
to enter P1.1.
2. Press key, USA flashes, press key to select USA→nIS, press
to confirm. USA-USA series; nIS-NIST series.
3. After confirming parameter, press key to enter P1.2 mode, or press
key to return to the measurement mode.
P1.2. – Select resolution (0.01 – 0.1)
1. Press key, 0.01 flashes, press key to select 0.01→0.1, press
key to confirm.
2. After confirming parameter, press key to enter P1.3 mode, or
press key to return to the measurement mode.
P1.3. – Set reading stability criteria (Normal – High – Low)
1. Press key, nor flashes. Press key to select nor→HI→Lo, press
to confirm.
Nor – Normal, Hi – High, Lo – Low.
2. After confirming parameter, press key to enter P1.4 mode, or
press key to return to the measurement mode.
P1.4. –Restore factory setting (No – Yes)
1. Press key, no flashes. Press key to select no→YES, press
to confirm, the meter returns to the measurement mode.
No – Do not restore, Yes – Restore to factory setting.
2. If not choosing Yes , press key to return to the measurement mode.
6.4 Submenu of Basic Parameter Setting (press key to switch)
P3.1. Select temperature unit (°C—°F).
1. In P3.0 mode, press key to enter P3.1 mode, please refer to
the left Diagram.
2. Press key, °C flashes, then press key to select °C→°F, press
key to confirm.
3. When parameter is confirmed, press key to enter mode P3.2
or press key to return to the measurement mode.