horiba LAQUA Series, Instruction Manual

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Basic operations
7
■ Basic operations
This section describes function and basic operation method of each part of LAQUA EC200
handheld meter.
● Turning on the instrument
Inserting the batteries
This instrument is operated by batteries. You can use AA
alkaline batteries or AA Ni- MH chargeable batteries.
Perform the following procedure to insert batteries in the
instrument.
1. Unscrew the battery cover on the back of the
instrument counter-clock wise to unlock the bat-
tery cover.
2. Remove the battery cover and set the batteries
inside.
3. Replace battery cover.
4. Screw the battery cover on the back
of the instrument clockwise to lock the battery
cover.
• Do not replace the batteries in a dusty place or with wet hands. Dust or moisture could get
inside the instrument and possibly cause an instrument malfunction.
• Do not short-circuit a battery.
• Note polarity as shown in the battery compartment.
• When the battery has depleted or the instrument will not be used for a long time, remove
the batteries.
• Of the specified battery types, make sure to use two batteries of the same type.
• Do not use a new battery together with an used battery.
Note