the beep sound.
DISPLAYING STORED RESULTS
Press "Start" button to turn on the thermometer, press the "MEM/Sound" button to activate the
recording function. Press "MEM/Sound" button again to review previously recorded temperature
readings.
CARE AND CLEANING
The probe tip and lens are the most delicate part of the thermometer. It has to be clean and intact to
ensure accurate readings.
If the thermometer is ever accidentally used, please clean the probe and lens as follows:
• Very gently wipe the surface with a cotton swab or soft cloth moistened with alcohol. Only use the
thermometer after the alcohol has completely dried out.
• If the lens is damaged, contact the distributor.
Clean the unit body:
• Use a soft, dry cloth to clean the thermometer display and unit body.
• If very dirty, use a soft cloth with alcohol to cleaning.
NOTES:
• Don't use abrasive cleaners.
• Don't use other non-recommended methods to perform disinfect.
• Non-waterproof, don't use the abrasive cleaner to clean the product, don't drop the thermometer in
the water or the other liquid.
MAINTENANCE
• We do not authorize any institution or individual to maintain and repair of the product. If you suspect
there is something wrong on the products, please contact the manufacturer or distributor.
• The user must not attempt any repairs to the device or any of its accessories. Please contact the
retailer for repair.
• Opening of the equipment by unauthorized agencies is not allowed and will terminate any claim to
warranty.
CALIBRATION
The thermometer is initially calibrated at the time of manufacture. If this thermometer is used
according to the use instruction, periodic re-adjustment is not required. If any time your question the
accuracy of measurement, please contact distributor or manufacturer.
STORAGE
• Don't put the thermometer under the sunshine, high temperature and moist environment or some-
place which maybe get in touch with fire or is vulnerable to vibration.
• Take out the battery if don't use the device in a long time.
TROUBLESHOOTING
Message
Possible cause
Temp. higher than 43°C (109.4°F).
"Hi"
"Lo"
Temp. lower than 32.0°C (89.6°F).
The ambient temperature is higher of
"ErH"
range of measurement (40°C/104°F).
The ambient temperature is lower of
"ErL"
range of measurement (10°C/50°F).
The hardware is damaged or thermom-
"Err"
eter system fails or affected by electric
magnetic field.
Low battery.
SPECIFICATIONS
• Model name: MDI901
• Size: 161x42x30mm
• Weight: 79g (without batteries)
• Power supply: 2x 1,5VDC AAA
• Battery life: ~1000 measurements
• Measuremnt accuracy: ±0.2°C/0.4°F between 35.5~42.0°C (95.0~107.6°F);
±0.3°C/0.5°F between 32.0~35.4°C (86.9~95.7°F) and 42.1~43°C(107.8~109.4°F)
-5-
Solution
Please leave the status and wait for 30 minutes to measure.
Re-measure according to the manual.
Keep the thermometer in the room where temperature is
(10°C-40°C/50°F -104°F) for 30 minutes.
Excluding the possibility of temperature allowance first , then
send the device to your dealer for repair.
Replace the batteries.