Backlight. ZyXEL Communications EW103A, EW103U/A, EW103

adaptor socket) away from electrical devices as heat from these devices will affect the accuracy of indoor temperature readings.

BACkLIGHT

To activate backlight:

• Press SNOOZE – LIGHT or any button located on the

back of the unit (i.e., ALARM 1/2 ON/OFF, SET CLOCk,

SET ALARM, + / -).

RESET

Press RESET to return to default settings.

SPECIFICATIONS

TyPE

L x W x H

Weight

FM radio

Power

DESCRIPTION

200 x 105 x 65 mm

(7.9 x 4.1 x 2.6 in)

514g (18.1 oz) without battery

87.5 – 108 MHz

AC/DC 4.5V adaptor

2 x UM-3 (AA) 1.5 V batteries

PRECAUTIONS

• Do not subject the unit to excessive force, shock, dust,

temperature or humidity.

8

• Do not cover the ventilation holes with any items such as

newspapers, curtains etc.

• Do not immerse the unit in water. If you spill liquid over

it, dry it immediately with a soft, lint-free cloth.

• Do not clean the unit with abrasive or corrosive

materials.

• Do not tamper with the unit’s internal components. This

invalidates the warranty.

• Only use fresh batteries. Do not mix new and old

batteries.

• Images shown in this manual may differ from the actual

display.

• When disposing of this product, ensure it is collected

separately for special treatment and not as normal

household waste.

• Placement of this product on certain types of wood

may result in damage to its finish for which Oregon

Scientific will not be responsible. Consult the furniture

manufacturer’s care instructions for information.

• The contents of this manual may not be reproduced

without the permission of the manufacturer.

• Do not dispose old batteries as unsorted municipal

waste. Collection of such waste separately for special

treatment is necessary.

• Please note that some units are equipped with a battery