Elenberg MX-339 Руководство по эксплуатации онлайн [18/20] 693686

sure the panel is properly installed, otherwise, abnormalities occur on

the display or some keys will not function properly.

REMOVING THE FRONT PANEL

INSTALLING THE FRONT PANEL

PRECAUTIONS

• Do not touch the contacts on the front panel or on the unit body, since

this may result in poor electrical contact. If dirt or other foreign sub-

stances get on the contacts, wiper them with a clean dry cloth.

PRECAUTIONS WHEN HANDLING THE FRONT PANEL

• Do not leave the front panel in any area exposed to high temperatures

or direct sunlight.

• Do not drop the front panel or otherwise subject it to strong impact.

• Do not allow such volatile agents as benzene, thinner, or insecticides to

come into contact\with the surface of the front panel.

• Never try to disassemble the front panel.

USING THE RESET BUTTON

Press button with a thin, pointed object of unit is malfunctioned.

Through not a normal occurrence, the microprocessor which controls

the operation of this unit can be affected by electrostatic noise.

The generally is indicated by such symptoms as no power being sup-

plied when you switch the

unit on, failure of buttons

and controls, or an ab-

normal display.

Should this happen,

press button with a thin,

pointed object to reset

the microprocessor.