Technoline WT 7400 Manual De Instrucciones página 5

and 4 x AA size 1.5V alkaline batteries into the backlight battery compartment.
Pay attention to the polarity of the batteries [ "+" and " –" marks] .
 Rotate the time adjustment knob to set the current time on the clock.
Backlight function
 Hold the backlight test button (9) to see the effect of the backlight.
 Put the backlight brightness selector switch (8) to the OFF position, there will
be no backlight function at night.
 Put the backlight brightness selector switch (8) to
backlight will be lit at night.
 Put the backlight brightness selector switch (8) to
backlight will be lit at night.
Precautions

This main unit is intended to be used only indoors.

Do not subject the unit to excessive force or shock.

Do not expose the unit to extreme temperatures, direct sunlight, dust or
humidity.

Do not immerse in water.

Avoid contact with any corrosive materials.

Do not dispose this unit in a fire as it may explode.

Do not open the inner back case or tamper with any components of this unit.
Batteries safety warnings

Use only alkaline batteries, not rechargeable batteries.

Install batteries correctly by matching the polarities (+/-).

Always replace a complete set of batteries.

Never mix used and new batteries.

Remove exhausted batteries immediately.
WT 7400 - Manual
position, dimmed
position, more bright