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7.2
S
ub-menu of pH parameter setting
Press in P1.0, enter P1.1 sub-menu of pH parameter setting, and then press or
to switch among P1.1
→
P1.2
→
P1.3.
P1.1 — Select pH buffer series
(USA—NIST—CUS)
1.
Press , USA icon flashes, press to select USA→nIS→CUS,
press to confirm.
USA—USA series; nIS—NIST series; CUS—Customized calibration.
2.
Press to enter P1.2 or press to return.
P1.2 — Resolution
（
0.01—0.1
）
1.
Press and 0.01 flashes, press to select between
0 .01→0.1, Press to confirm.
2.
Press to enter P1.3 or press to return.
P1.3 — Factory default setting
（
No—Yes
）
Press , no flashes, press to select YES, press to
confirm, the meter returns to measurement mode.
No
—
Don’t restore to factory default; Yes—Restore to factory default.
