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Instruction Manual for
Digital Ear Thermometer
Model: CTD 505 (Antibacterial Model)
PARTS NAMES / Display Symbols
Sensor
LCD Screen
Battery Cap
Power ON/OFF Button
Start Button
Probe Tip
❶
❷
❸ ❹ ❺
❻
❼
Symbol
Description
1
Measuring Result.
Displays the result in Fahrenheit or Celsius.
2
Low Battery Symbol.
Flashes to alert the user to change the battery.
3
Too High Ambient Temperature.
Refer to “Troubleshooting” for details.
4
Too Low Ambient Temperature.
Refer to “Troubleshooting” for details.
5
Ready to Use Symbol.
The CTD505 is ready to use.
6
Temperature Unit.
The default setting is Celsius.
7
Memory Mode Symbol.
With this symbol, the LCD screen displays the
previous result.
PRECAUTIONS (Intended Use)
1. The CTD505 is a clinical electronic thermometer that uses an infrared sensor to
detect the body temperature of people of any age from the auditory canal in a
home setting.
2. Do not use the CTD505 as a replacement for medical advice. Consult your
doctor if you have any concerns.
3. ONLY the CTD505 probe tip is waterproof. Do not immerse it in water or any other
liquid.
4. Do not drop the CTD505, and avoid any strong impact.
5. Do not use the CTD505 on any body part other than your ear.
6. Do not move or shake your body while measuring.
7. Do not use for any purpose other than the intended use. The manufacturer is not
liable for misuse.
8. The CTD505 can measure up to six times a day. To know your normal body
temperature range, we suggest you measure regularly.
9. If any damage occurs to the sensor inside the probe tip or to the unit itself,
return the product to your local distributor.
10. Keep the CTD505 away from children. Do not let them use the CTD505 on their
own. They may choke on the battery or tiny component parts by accident.
11. Install a new CR2032 lithium battery when the power is low. Use of any other
battery may lead to inaccurate results or malfunction.
