Citizen Systems CTD 504 instruction manual Troubleshooting, Other Information

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2. Figure: Diurnal Variations in Body Temperature

Hours of activity and work Hours of rest and sleep

a.m.	p.m.	a.m.	Deg.
Deg.
F.			C.

Source: 1911, Encyclopedia Britannica, 11th edition, Volume 2, Part 1, Slice 1, p95.

TROUBLESHOOTING

LCD screen Description & Solution

fl ashes

Battery power is low, but the CTD504 can still measure.

➜ Remove the worn-out battery. Insert a new CR2032 battery as soon as possible. Without enough energy, the CTD504 cannot function as it should.

lights

Battery power is too low to measure.

➜Remove the worn-out battery. Insert a new CR2032 battery as soon as possible.

Too high ambient temperature

Ambient temperature is higher than 40.0 °C (104.0 °F)

➜Leave the CTD504 in a room around 10.0 °C – 40.0 °C (50.0 °F – 104.0 °F) for 30 minutes. Then measure again.

Too low ambient temperature

Ambient temperature is lower than 10.0 °C (50.0 °F)

➜ Leave the CTD504 in a room around 10.0 °C – 40.0 °C (50.0 °F – 104.0 °F) for 30 minutes. Then measure again.

LCD screen	Description & Solution
	Outside displayed temperature range I

Result is higher than 43.0 °C (109.4 °F).		English
➜ The user should rest in a steady room temperature for at
least 30 minutes. Then measure again.		Español
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		Português
least 30 minutes. Then measure again.
Error symbol I
Disturbance occurred while measuring.		Deutsch
Error symbol II
➜ Repeat the measuring steps again. If the error persists,
return the CTD504 to your local distributor.
➜ Repeat the measuring steps again. If the error persists,		Italiano
Memory error occurred while measuring.
return the CTD504 to your local distributor.		Français
OTHER INFORMATION
This product conforms to the provisions of the EC directive
93/42/EEC (Medical Device Directive). And also complies	0197
with following standards (included but not limited):		中文
Safety standard:
EN 60601-1 Medical electrical equipment part 1: General requirements for safety
EMC standard:		Русский
EN 60601-1-2 Medical electrical equipment part 1-2: General requirements for

safety- Collateral standard: Electromagnetic compatibility- Requirements and tests

Performance standards:

EN 12470-5, Clinical thermometers - Part 5: Performance of infra-red ear thermometers (with maximum device)

Follow instructions for use.

+40°C
(104°F)	The upper and lower limits of temperature.
+10°C
(50.0°F)

Keep dry.

– Eng 6 – – Eng 7 –