Sper Scientific 850061 pH SD Card Datalogger Kit - Manual (Page 16)

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SETUP MODE
4. Press SET to save the value.
Auto Power Off
The meter automatically turns off
after 10 minutes of inactivity, however
this function can be disabled.
1. Enter the auto power off function
from Setup Mode (see page 13).
“PoFF” appears on the LCD.
2. Press ▲ or ▼ to select yes (auto
power off enabled) or no (auto
power off disabled). Press
ENTER to save the selection.
Touch-Tone
1. Enter the touch-tone function from
Setup Mode (see page 13).
“bEEP” appears on the LCD.
2. Press ▲ or ▼ to select yes
(touch-tone enabled) or no (touch-
tone disabled). Press ENTER to
save the selection.