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Display Backlight: Allows you to read the LCD display in low light
situations. When powered from an AC adapter or 12V DC source,
the backlight will stay on continuously. During a power failure, to
reserve power from backup battery, the backlight will stay on for
about 10 seconds every time you press a key.
Remote Alert Capability: Allows you to extend the audible and
flashing light alert to other rooms or locations up to 100 ft. away
(depending on the environment). It could also be used to control
Public Address and two-way radios for extended and special alert
applications.
Alert Audio Output: Allows you to connect to Public Address sys-
tem or two-way radio for extended and special alert applications.
The audio output level is controlled by the radio’s volume control.
External Antenna: Allows you to connect an optional external
antenna (not included) to your Emergency Alert Radio to improve
its reception in fringe areas. (Caution – You should understand the
danger of lightning on an external antenna and make appropriate
measures to protect yourself from injury and fire hazard resulted
from a lightning strike on an external antenna – see Important
Safeguards section for details)
Battery Backup - The Emergency Alert Radio is normally powered
by an AC adapter. The unit will maintain normal operation with the
9V backup battery during short AC power blackout periods.
Rechargeable Backup Batteries – To avoid the hassles of chang-
ing alkaline batteries, a rechargeable 9V Ni-Cd battery may be used.
A switch is provided to select the type of battery used. The internal
charging circuit will keep the rechargeable battery fully charged all
the time when the unit is operating on the AC adapter. See battery
installation section (pages 2 and 3) for more information.
Choosing A Location For Installation
The Emergency Alert Radio is designed for desk top or wall mount
installation. For peak effectiveness, place the unit where it can
receive an emergency alert signal broadcast and where you can
hear its alert tone or see the Message indication lights.
The best location to install the unit is:
- Clear of any obstructions or metal surface.
- Near windows or large openings for best radio reception.
- Near an AC Power outlet
- Near to where the user(s) would normally stay – e.g. in a bed-
room, living room or in the office.
NOTE: Keep the receiver away from interference sources – e.g.
motors, computers, TV or microwave ovens.
-
To avoid damage to the product, do not expose it to direct sun-
light or extreme heat or humid environment for prolonged period.
- It is a characteristic of Liquid Crystal Displays (LCD) to change
color in extreme temperatures. If the unit is exposed to tempera-
tures below -20ºC (-5ºF) or above +60ºC (+140ºF), the display
may temporarily cease to function properly, and in some cases,
could result in permanent damage.
- All Liquid Crystal Displays (LCD) have a preferred viewing angle
when the display contrast is at maximum. The best viewing
point will vary by user, depending on such variables as tempera-
ture, humidity and battery condition.
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WX-67 Large Manual 3/12/02 10:25 AM Page 5