INSTRUCTION MANUAL FOR DIGITAL EAR THERMOMETER Model: CTD 504 (Antibacterial Model) English 1201
❸ ❹ ❷ ❶ Symbol 1 2 3 4 5 6 7 ❺ ❻ ❼ Description Measuring Result. Displays the result in Fahrenheit or Celsius. Low Battery Symbol. Flashes to alert the user to change the battery. Too High Ambient Temperature. Refer to “Troubleshooting” for details. Too Low Ambient Temperature. Refer to “Troubleshooting” for details. Ready to Use Symbol. The CTD504 is ready to use. Temperature Unit. The default setting is Celsius. Memory Mode Symbol. With this symbol, the LCD screen displays the previous result.
1. Press the |/O button. The LCD screen displays all digital segments. 2. If the CTD504 has saved past results, the LCD screen automatically displays the latest result. or flashes with a short beep, the CTD504 is ready to use. 3. When 1. To improve accuracy, follow the illustrations below. For adults, pull the ear up and back. For infants and children, pull the ear back. Adults Infants and Children 2. Fit the probe tip into the ear canal, and then press the START button.
2. 70 % concentration alcohol swab: Available in supermarkets. Note: Dispose of used cotton buds and alcohol swabs in accordance with local regulations. ◆ Cleaning : Probe area Use a clean cotton bud to wipe off any visible dirt or ear wax. Gently wipe the area clean. Note: The most delicate and sensitive part of the CTD504 is the sensor inside the probe tip. Poking it with force may cause damage to the CTD504. When cleaning, take extra care.
Result is higher than 43.0 °C (109.4 °F). C. ➜ The user should rest in a steady room temperature for at least 30 minutes. Then measure again. Outside displayed temperature range II Result is lower than 34.0 °C (93.2 °F). ➜ The user should rest in a steady room temperature for at least 30 minutes. Then measure again. Error symbol I Source: 1911, Encyclopedia Britannica, 11th edition, Volume 2, Part 1, Slice 1, p95. Disturbance occurred while measuring. ➜ Repeat the measuring steps again.
Recalibration Notice We recommend that USERs bring the CTD504 to certain laboratories every 2 years for proper recalibration. The CTD504 does not need periodic recalibration, if the user handles it according to this manual. SPECIFICATIONS To avoid inaccurate results caused by electromagnetic interference between electrical and electronic equipments, do not use the device near a mobile phone or microwave oven. At least keep a maximum output power of 2 w yields and a distance 3.3m away from this equipment.
• CITIZEN is a registered trade mark of Citizen Holdings Co., Japan. • Design and Specification are subject to change without notice.
