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Outline

The "log-EZ" is a handy Data Logger designed to measure and record 
temperature and humidity data, which can then be viewed via your 
computer. It is possible to manage a multiple number of "log-EZ" 
units with one computer. Convenient wireless communication makes 
data transmission easy and simple with no need for cables.

Usage Figure

Basic Functions

 

- The "log-EZ" measures and records temperature and humidity of 

the location where it is placed. 

 

- Recorded data can then be downloaded via wireless 

communication to a PC, on which the dedicated software has 

been installed and the data viewed in graph form. 

 

- Even when the PC is off, the measuring and recording of 

temperature and humidity are carried out by the "log-EZ" unit. 

 

- It is possible to save the recorded data to a PC, view the data in a 

graph, print out, save as text file, and so on. 

 

- By setting up an "log-EZ" unit as a Repeater, it is possible to 

extend the wireless communication range between other "log-EZ" 

units and a PC. 

 

- It is possible to view data recorded by multiple "log-EZ" units via 

one computer.  

Up to 16 "log-EZ" units (Remote Units and Repeaters) can be 

registered on one computer.

About the Wireless Dongle (RTR-300)

This is a USB device that allows for wireless communication between 
"log-EZ" units and a PC. Wireless communication is only possible 
when the "dongle" is inserted into the USB port of the PC. Please be 
careful not to lose or damage this important device. A "dongle" can 
also be connected to an AC adaptor (sold separately) and used as a 
Repeater. 

About Base Units and Remote Units

In this Manual when explaining about wireless communication, the 
"log-EZ" (RTR-322) is referred to as a "Remote Unit" and the 
"dongle" (RTR-300) as a "Base Unit". 

Wireless Communication Image

Getting Ready

This section provides instructions on getting the "log-

EZ" ready for use including how to make 

communication settings. 

This "Introductory Manual" covers all settings for getting a Base Unit 
and Remote Unit ready to carry out wireless communication. All 

settings and instructions for actual operation after that are covered 

by the "log-EZ for Windows Manual" which will be available from the 
start menu upon installation of the software. To make sure that 

proper operation can be carried out, it is necessary to follow the 

directions below.

How to Install the Battery

1.  Remove the battery cover from the 

back of the unit. Pressing the 

area, slide the cover as shown above. 

2. Check to make sure plus and 

minus are correct and insert the AA 

Alkaline battery. 

3. Replace and close the battery 

cover.Be sure to securely close the 

cover until you hear a clicking 

sound. 

 

- Please make sure that + and – are in the correct direction. 

 

- Do not insert or replace batteries with wet hands. 

 

- Once a battery has been installed, the unit will enter [Registration 

Mode] for five minutes for the first Remote Unit registration, and 

two minutes for battery replacement. 

 

- Make sure to always use a new battery within that has not expired. 

Changing a Battery

An Estimation of Battery Life

The battery life expectancy is about six months. However, it varies 

depending on the frequency of wireless communication, measuring 

environment and quality of the battery being used, and in no way 

do we guarantee a battery’s life.

Time for Battery Replacement

Battery Warning Mark

When it is time for the battery to be replaced, a battery life warning 

mark will appear.  Once this mark starts blinking, it is not possible 

to carry out communication with a PC; therefore please change 

the battery as soon as the mark appears. 

After Battery Replacement

The unit will start measuring temperature and humidity when a 

battery has been replaced, and will enter [Registration Mode] for 

two minutes. If an old battery is inserted and the battery mark 

blinks, that battery cannot be used to communicate with a PC. 

Change the battery to a new one. 

Notices about Wireless Communication

Note that after actual start of use, due to changes in environmental 

conditions, wireless communication errors may occur. If errors 

occur often, please check to see if any of the following apply: If, 

after having made sure all precautions have been followed, wireless 

communication errors still occur, it is recommended to add a 

Repeater to improve communication. If wireless communication 

errors occur quiet often, battery life will also be shortened.

Please place units more than 20 cm away from metals. 

If units are placed near such things as metal walls, floors, and 

stairs, the possible wireless communication range will be 

shortened, and more communication errors may occur.

Situations where concrete walls are present will 

adversely affect wireless communication. 

Concrete acts as a block to radio waves, and wireless 

communication errors may occur more frequently in situations 

where such walls are present. 

Keep the units as far as possible away from other 

wireless communication devices. 

If multiple wireless communication devices (such as wireless LAN’s 

and cordless phones) are being used, please be careful to maintain 

enough space between them and do not use them at the same time.

Keep the units as far as possible away from noise-

emitting sources.

Equipment, such as some industrial instruments, electronic 

devices or fluorescent lamps generates noise. Please place the 

units more than 1 meter away from such devices. 

4. Install the Battery

Using "How to Install the Battery" shown at right as a guide, 
insert the attached battery into the "log-EZ" unit. Making sure 
that the unit is in [Registration Mode], move on to the next 
step "Register as a Remote Unit". 

Registration Mode

 

- When in [Registration Mode], the "COM" mark blinks in the 

LCD Display. (The "COM" mark will also blink during 

communication with the PC after registering a Remote Unit.) 

 

- Upon installation of the battery, the unit will automatically 

enter [Registration Mode] and if after five minutes pass 

without any settings being made, [Registration Mode] will end.

 

- Make sure to only insert a battery into one unit at a time and to 

never try to register more than one unit at a time. Do not insert 

a battery into a multiple number of units at the same time. 

1. Download the Software

Please access the download URL or our T&D Website to 
download the software, following the directions below. 

http://www.tandd.com/support/

2. Install the Software

Double click the downloaded software to start installation.

  Do not insert the battery or connect a Base Unit to a PC 
until installation of the software has been completed. 
  In some network environments, it may be necessary to 
restart the PC. After restart, the PC will automatically 
continue the installation process; follow the instructions 
as they appear on the screen to complete installation.

3. Connect the Dongle to the PC

If you are using the Dongle for the first time, by connecting the 
Dongle to a USB port on the PC, the USB driver installation 
will start automatically.

USB Connection Image

  Do not connect the Dongle to your computer until the 
software has been installed.
  If nothing happens after connecting the Dongle to the 
computer, click the Quick Start icon (see step 1 in "Register 
as a Remote Unit") and from the displayed menu, open 
[Help for Dongle Recognition Failure] to check the USB 
driver.

5. Register as a Remote Unit

In order to carry out Wireless Communication, it is necessary 
to register the "log-EZ" as a Remote Unit. 

  Remote Unit registration can only be carried out when 
the unit is in [Registration Mode]. If the unit is no longer 
in [Registration Mode], remove and re-insert the battery. 
After making sure that the unit has entered [Registration 
Mode] again, carry out the registration process.

1. Click the Quick Start icon in the 

lower right of the screen (Task 

Tray). 

2. In the displayed menu, select 

[Register] to open the [Register as 

a Base Unit] window.  Making sure 

that a Base Unit (dongle) is 

connected to the PC, click the 

[OK] button. 

3. When the [Register] window 

appears, click on the [Add a 

Remote Unit] button. 

4. Enter the desired Remote Unit 

Name and click on the [Assign 

Name] button. 

 

- When the "Communication Failed" error message appears, 

see the detailed info written in red in the window or see 

[Troubleshooting] in the Software User’s Manual for details 

about checking the Base Unit, Remote Unit, and network 

environments and retrying communication. 

5. The registered Remote Unit Name 

will be displayed in the Remote 

Unit List. Also, the name will 

appear in the communication 

route. 

 

- After Remote Unit Registration has been completed, it is 

possible to communicate between a Base Unit and a Remote 

Unit. 

The "log-EZ" is now ready to be used.

Before using the "log-EZ", make settings for the display format of the 
temperature and calendar from [Display Format Settings] in the Quick Start.

The unit of temperature settings can be made in either Celsius or 
Fahrenheit. The format of the calendar display can be set in either 
"Month/Day/Year" or "Day/Month/Year". 

For instructions about how to use the "log-EZ" unit after this, see the 
User’s Manual that comes with the software. 

How to Open the User’s Manual 

Click the Quick Start icon. The User's Manual can be opened in PDF 
format from the displayed menu.

Remove the cover to insert the battery

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