1. Battery Installation
Please install batteries according to the following steps. *Please note direction of batteries: All
POSITIVE SIDES (“+”) FACING UP. (Wrong installation of batteries will cause damage to the
tester and potential hazards)
2. Keypad
Functions
■ Short press------ < 2 seconds ,Long press------- > 2 seconds
1.Short press to turn on the tester and long press to
turn off the tester.
2.When turned off, long press to enter parameter
setting.
3. In measurement mode, short press to turn on
backlight.
1.In measurement mode, short press to switch
parameter pH→COND→TDS→SAL
2.In mode setting, short press to change parameter
(Unidirectional)
1. Long press to enter calibration mode.
2. In calibration mode, short press to confirm
calibration.
3.When measured value is locked, short press to
unlock;
① Pull!the!battery!cap!up!
② Slid e!the!battery!cap!along!to!the!direction!of!arrow!
③ Open!the!battery!cap!
④ Insert!the!batteries!(ALL$POSITIVE$SIDES$FACING$UP)!(see!graph)!
⑤ Close!the!battery!cap!
⑥ Slid e!and!lock!the!battery!cap!along!to!the!directio n!of!arrow !
⑦ Fit!the!tester’s!cap!while!making!sure!to!push!all!the!way!down.!The!!tester’s!
waterproof !des ign! may !be!compromised!if!the!cap !is!not!fitted!correctly.!
!
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