Keys And Functions - EUTECH INSTRUMENTS WATERPROOF C401 COLORIMETER Instruction Manual

Introduction

Keys and Functions

1.3
The keypad has four keys: ON/OFF, MODE, ZERO and READ/ENTER.
Keys Functions
Powers on and shuts off the meter. With the auto switch-off feature
ON/OFF -
the meter automatically shuts off 10 minutes after last key press.
Selects the test to be performed.
MODE -
Selects the calibration point in an incremental circular manner during
-
calibration.
Blanks the instrument (sets the meter to zero) before chemical
ZERO -
reagent is added.
Initiates the calibration mode when used with the ON/OFF key.
-
Aborts the calibration process without saving.
-
Exits the calibration mode.
-
Initiates the measurement of the sample after the chemical reagent
READ /
-
has been added.
ENTER
Confirms the test selection.
-
READ
ENTER
ZERO
MODE
Figure 3: C401/301/201/102/101 Keypad
4
C401/301/201/102/101
WATERPROOF
ON
OFF