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5. GENERAL OPERATIONS
Turning the Tester On & Off
• Turn the tester face down. Rotate the battery cover on the back of the tester counterclockwise and set it aside. Remove
the battery insulation film.
• Press the ON/OFF button to turn the tester on or off. Initialization screen displays all LCD segments, followed by the
battery percentage. The tester enters measurement mode. Before the tester turns off, "
• Press and hold the ON/OFF button to turn the tester off when connected to Bluetooth.
Battery Replacement
1. Turn off the tester. Turn the tester face down and rotate the battery cover counterclockwise.
2. Set the battery cover aside. Press the metallic pin to push old battery out.
3. Place the new battery with positive (+) sign facing out.
4. Reset the date and time in setup, or connect to the Hanna Lab App to update it automatically.
5. Align the mark on the cover with the open lock icon ( ) on the case. Rotate the cover
clockwise until the mark on the cover aligns with the closed lock icon ( ).
Note: Only use specified battery type. Dispose of old battery in accordance with local regulations.
6. SETUP
The Setup button is located inside the battery compartment. After Setup configuration, replace the cover.
Setup Menu Navigation
• Press the Setup button to enter Setup mode and navigate menu items.
• To exit Setup mode, press the Setup button after "
• Press the ON/OFF button to configure menu item options.
Temperature Unit
Option: °C or °F
Press ON/OFF button to select desired
temperature unit.
Auto-Off Interval
Option: 8, 60 min., or "
Press ON/OFF button to select desired interval.
To save battery life, after the selected auto-off
interval has elapsed, the tester will automatically turn off.
Calibration Points
Option: 2P or 3P
Press ON/OFF button to select between up to
two- or up to three-point calibration.
Buffer Set
Option: 7.01 pH (Hanna) or 6.86 pH (NIST)
Press ON/OFF button to select the calibration
buffer set (Hanna or NIST).
pH Resolution
Option: 0.01 pH or 0.1 pH
Press the ON/OFF button to select resolution.
Bluetooth Wireless Mode
Option: On, PAIr, or OFF
Press ON/OFF button to select Bluetooth
option at start-up.
6
SEt TIME
" (disabled)
----
&
" option is displayed.
°C
°F
T E M P
TEMP
8
60
AOFF
AOFF
2P
3P
CAL
CAL
7. 0 1
6. 8 6
BUFF
BUFF
0. 0 1
0. 1
RES
RES
On
PAIr
BLU
&
BLU
" is displayed briefly.
OFF PWR
Metallic pin
----
AOFF
OFF
&
BLU
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