eZthings HW-F7, Руководство по эксплуатации, Страница: 10 / 18

When measurement value is lower than 0ºC（32℉）, it displays Lo (fig.10.11)
and gives “beep. beep.beep.beep”,with the color of backlight turning red.
When measurement value is higher than 93ºC（199.4℉）, it displays Hi (fig.10.12)
and gives
“
beep. beep.beep.beep”,with the color of backlight turning red.
Object mode:
When measurement value is higher than 43.0 ºC（109.4℉）, it displays Hi (fig.10.10)
and gives“beep. beep.beep.beep”, with the color of backlight turning red.
Body mode:
When measurement value is lower than 34.0ºC（93.2℉）, it displays Lo (fig.10.9)
and gives“beep. beep.beep.beep”, with the color of backlight turning red.
10.3 Exceeding measurement range
Notice:
When surrounding temperature is lower than 15.0º
C（
59
℉） or h
igher than 40.0ºC
（104℉）
,
it displays Err(fig.10.13) and gives
“
beep.beep.beep.beep”, with the color of backlight turning red.
Under this condition, it’s not allowed to use this thermometer or accuracy is not assured.
(
fig.10.13
) (
fig.10.9
) (
fig.10.10
) (
fig.10.11
) (
fig.10.12
)
12. Maintenance & tips
Make sure the sensor and probe cavity is clean otherwise it will affect accuracy.
Cleaning method for probe:
1.Use the cotton stick or soft cloth with water or alcohol to wipe the casing.
2.Use the cotton stick or soft cloth with alcohol to wipe the sensor surface or probe
cavity gently. Don't use thermometer before alcohol is vaporized.
Read this manual book thoroughly before use. Make sure battery is well installed.
It is not allowed to put the thermometer in any liquid or expose to strong sunlight
or extremely low temperature.
Open the battery lid and take out exhausted battery.
Put into 2 AAA batteries and close up battery lid. After new battery is installed,
the color of backlight turns in the order of green , orange and red , each of them
flashing one time respectively, wit
h a “
beep” heard. If no beep is heard, please check
if the positive and negative pole is correct (see fig.11.1).
Notice:
1.Take out battery in case the thermometer is not used for a long time. Don't put the
battery to fire.
2.Dispose battery according to local regulations.
11. Battery replacement
( fig.11.1 )