Oregon Scientific THGR328N Manual Download Page 2

 

 

Additional remote units that measure 

temperature and humidity are sold separately. 
If you are using more than one remote unit, be 
sure to select a different channel number for 
each unit. 
 
 
 
 

SET UP 

1. 

Place remote unit as close as possible to 
the main unit. 

2. 

Remove the battery compartment lid by 
using a Philips screwdriver to loosen the 
screws 

3. 

Assign a channel number. If you are 
using more than one remote unit, select 
a different channel number for each unit.  

4. 

Set the measurement unit. 

5. 

Set the radio signal format for the 
automatic clock set feature. 

6. 

Insert the batteries. Match the polarity, 
as shown in the battery compartment. 

7. 

Press RESET with the point of a blunt 
object (such as a ball point pen). 

8. 

Replace the battery compartment lid. 
Secure. 

9. 

Position the remote unit using either the 
recess hole on the back of the unit or the 
included stand. For best results: 

 

Place the unit away from electrical 

or mechanical objects. 

 

Place the unit out of direct sunlight 

and moisture. 

 

Do not place the remote unit more 

than 100 meters (328 feet) from the 
main (indoor) unit. 

 

Position the unit so that it faces the 
main (indoor) unit. Minimize 
obstructions such as doors, walls, 
and furniture. 

 
You may need to experiment with various 
locations to get the best reception. 
 
10.  Once the batteries are in place, the 

sensor will transmit signals every 40 
seconds. The readings shown on the 
main unit depend on which remote 
sensor (1,2,3,4 or 5) is selected. Refer to 
the Main Unit user manual for more 
information. 

 
 

 
 
 

 

 

 
 

CHANGE CHANNEL 

Repeat the Set Up procedure. In Step 3, 
select a different channel number. 
 

LOW BATTERY WARNING 

The low battery indicator is shown on the main 
unit when the battery is low for the selected 
remote unit.  Replace the batteries whenever 
the low battery signal   shows. 
 

 

Do not use rechargeable batteries. 

Properly dispose used batteries by taking 
them to an authorized disposal station. 
 
 

RESET SYSTEM 

The 

RESET

 button is located in the battery 

compartment.  Press it whenever you change 
the batteries, or whenever performance is not 
behaving as expected (e.g., unable to 
establish radio frequency link with main unit).  
Refer to the User Manual for the main unit for 
more information. 
 
 

SAFETY AND CARE 

Wash the unit with a slightly damp cloth and 
mild detergent. Avoid dropping the unit or 
placing it in a high-traffic location. 
 

Do not expose the unit to direct sunlight since 
this may affect the accuracy of 
measurements. 

 
 

WARNINGS 

This product is designed to give you years of 
service if handled properly.  Observe the 
following guidelines: 
 

 

Never immerse the unit in water.  This 

can cause electrical shock and damage 
the unit. 

 

Do not subject the main unit to extreme 

force, shock, or fluctuations in 
temperature or humidity.    

 

Do not tamper with the internal 

components.   

 

Do not mix new and old batteries or 
batteries of different types. Do not use 
rechargeable batteries with this product. 

Deleted: 

SET RADIO SIGNAL 

FORMAT ¶

SENSOR¶

The

 RADIO SIGNAL FORMAT

 

switch is located on the sensor.  
Select EU (DCF) or UK (MSF).¶

Reception takes 2 – 10 minutes 
to complete.  Once complete, 
the icon will stop blinking.  ¶
 ¶
Strong signal

Deleted: 

Press 

SEARCH 

to manually 

activate search for radio-
controlled clock signal. The 
tower icon will blink until the 
clock signal is found or the 
search period times out.¶

Deleted: 

CLOCK¶

This remote unit can 
automatically synchronize the 
date and time with official time-
keeping organizations in 
Frankfurt (Germany) and Rugby 
(England). When the unit is 
within 1500 km (932 miles) of a 
RF signal, the reception icon 
will blink during reception.¶

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