Extech 445706 Operating Manual

User's Guide

Hygro-Thermometer
Alarm Clock

Model 445706

Introduction

Congratulations on your purchase of the Extech 445706 Radio Controlled Hygro­Thermometer Alarm Clock. This device is shipped fully tested and calibrated and,
with proper use, will provide years of reliable service.

Operation

GETTING STARTED

1. Remove the battery door by slightly pressing the knob upwards.

2. Insert two new AA size battery as per indication marked on the battery
compartment.

3. Close the battery door.

4. Press the reset button, the unit will beep.

5. The Radio Controlled Clock will automatically start scanning for the radio
controlled time signal.

6. The default time zone is Pacific zone. If you are in this time zone, changing is
not required. Otherwise, change to the correct time zone (Refer to ‘Select the
Time Zone’.)

Notes

In some cases, the clock may be unable to receive a signal immediately. Due to
atmospheric disturbances, the best reception often occurs at night.

The clock is susceptible to interference. Always place the clock away from devices such
as TV’s and computers. Avoid placing clock on or near a metal object.

Do not start the clock in a moving vehicle. Avoid closed areas.

FUNCTION KEYS

MODE key: Switch between Normal Time Mode an d Alarm Time Mode.
SET key: Steps through the settings when in editing mode.
ADJUST key: In normal time mode, toggle between Date/Month and Year display. In

°C/°F key: Selects unit of display for temperature. Press and hold for 3 seconds
MAX/MIN: Press to view maximum and minimum read temp and %RH values.

SNOOZE Turns alarm off in snooze mode. Snooze interval is 4 minutes.

SIGNAL STRENGTH INDICATOR

The signal indicator displays signal strength in 3 levels. Wave segment flashing means
time signals are being received. The signal quality falls into three categories:

SETTING THE TIME ZONE
Make sure the time zone is already set to appropriate location. The default time zone is
Pacific zone. If your location is out of Pacific zone, please do the following steps:

1. Press the MODE key to enter the alarm time mode.

2. Press the SET key to select the proper time zone. P=Pacific M=Mountain C=Central

E=Eastern

up-to-the-minute product information, visit our website: www.extech.com

Extech Instruments Corporation, 285 Bear Hill Road, Waltham, MA 02451

All rights reserved including the right of reproduction in whole or in part in any

normal time setting mode, change the setting value. In Alarm time
mode, switch ALARM/SNOOZE function ON/OFF.

for signal reception test.

Bad Signal Quality Acceptable Excellent

Technical Support: Extension 200; E-mail: [e-mail]

Support line [phone]

Repair & Returns: Extension 210; E-mail: [e-mail]

Product specifications subject to change without notice

For the latest version of this User Guide, Software updates, and other

Copyright © 2007 Extech Instruments Corporation

form.

Normal Time Mode

1. Time

2. Month

3. Date

4. Day

5. Temperature

6. Humidity

7. Signal Strength Indicator

8. Alarm and Snooze

9. Time zone map

Alarm Time Mode

1. Alarm time

2. Alarm mode

3. Snooze icon

4. Alarm icon

Setting the Alarm

1. With the clock in normal time display mode press MODE key to enter Alarm mode.

2. Hold SET key for 2 seconds until hour digits flash

3. Press or hold ADJUST to change hour.

4. Press SET again. The minute digits will flash

5. Press or hold ADJUST to change minutes

6. Press MODE to save.

1

F

23 4 5 6

Rear Panel

1. Speaker 5. °C/°F

2. Mode 6. MAX/MIN

3. Set 7.Snooze

4. Adjust 8. Reset

1

F

9
8
7

2

3

1

4
3

2

4

5

6

7

8

F F F

Setting Time Manually

1. Remove battery for 30 seconds.

2. Hold SET for 2 seconds until HOUR digits flash.

3. Press or hold ADJUST to set.

4. Press SET again to step through Hours > Minutes > Seconds > 12/24Hr > Year .>
Month > Date>Language (GB-FR-DE-ES-IT).

5. Press MODE to save.

F F F

F F

H

F F F

ALARM AND SNOOZE FUNCTIONS

1. Press MODE to select the alarm display

2. Press ADJUST key so bell icon “ ” appears

3. Activate Snooze by pressing ADJUST until “Zz” snooze icon appears.

4. To de-activate Alarm and Snooze, press ADJUST until icons no longer appear.

5. Press any button to stop the alarm. When in snooze mode the alarm w ill snooze four
times for four minutes.

Warranty

EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one
year from date of shipment (a six month limited warranty applies to sensors and cables). If it should become necessary to

return the instrument for service during or beyond the warranty period, contact the Customer Service Department at (781) 890­7440 ext. 210 for authorization or visit our website www.extech.com
number must be issued before any product is returned to Extech. The sender is responsible for shipping charges, freight,
insurance and proper packaging to prevent damage in transit. This warranty does not apply to defects resulting from action of
the user such as misuse, improper wiring, operation outside of specification, improper maintenance or repair, or unauthorized
modification. Extech specifically disclaims any implied warranties or merchantability or fitness for a spe c ific purpose and will not
be liable for any direct, indirect, incidental or consequential damages. Extech's total liability is limited to repair or replacement of
the product. The warranty set forth above is inclusive and no other warranty, whether written or oral, is expressed or implied.

for contact information. A Return Authorization (RA)

445706-V1.0