horiba LAQUAact D-74, Instruction Manual

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Preparation
D-74 13
●
Turning ON the instrument
• Inserting the batteries
This instrument is operated by batteries. You can use AAA alkaline batteries or AAA Ni-
MH rechargeable batteries. Perform the following procedure to insert batteries in the
instrument.
1. To unlock the battery cover, turn the knob on the
battery cover on the back of the instrument
counterclockwise.
2. Remove the battery cover and set batteries inside.
3. Put the battery cover back in.
4. To lock the battery cover, turn the knob on the
battery cover on the back of the instrument
clockwise.
Note
・
Do not replace the batteries in a dusty place or with wet hands. Dust or moisture could get
inside the instrument, possibly causing instrument malfunction.
・
Do not short-circuit a battery.
・
Set the + and

side of the battery correctly.
・
When the battery has run out 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 a used battery.
・
When using the Ni-MH batteries, do not use a fully charged battery together with an
insufficiently-charged battery.