
7
NC 400
EN
8. Changing between Celsius and Fahrenheit
This thermometer can display temperature readings in
either Fahrenheit or Celsius. To switch the display between
°C and °F,
press and hold
the MODE button
6
for 3
seconds; the beeper icon is shown on the display. Press
the MODE button again; the current measurement scale
(«
°C
» or «
°F
» icon) will be shown on the display
AO
.
Change the measurement scale between °C and °F by
pressing the MEMO-button
5
. When the measurement
scale has been chosen, press the START/IO button
7
to
enter the «ready for measuring» mode; otherwise the
device automatically switches to ready for measuring after
10 seconds
AT
.
9. How to recall 30 readings in Memory Mode
This thermometer can recall the last 30 readings with a
record of both time and date.
Recall mode
AP
:
Press the MEMO-button
5
to enter
recall mode when the power is off. The memory icon
«
M
» will flash.
Reading 1 - the last reading
AQ
:
Press and release the
MEMO-button
5
to recall the last reading. Number «1»
and a flashing «
M
» are displayed.
Pressing and releasing the MEMO-button
5
after the last
30 readings have been recalled will resume the above
sequence from reading 1.
10.Error Messages
Measured temperature too high
AR
:
Displays «
H
»
when measured temperature is higher than 43 °C / 109.7
°F in body mode or 99.9 °C / 211.8 °F in object mode.
Measured temperature too low
AS
:
Displays «
L
»
when measured temperature is lower than 34.0 °C /
93.2 °F in body mode or 0.1 °C / 32.2 °F in object mode.
Ambient temperature too high
BT
:
Displays «
AH
»
when ambient temperature is higher than 40 °C.
Ambient temperature too low
BK
:
Displays «
AL
»
when ambient temperature is lower than 5.0 °C / 41.0 °F
in object mode.
Error function display
BL
:
- «
Er 0
» / «
Er 6
»: The system has a malfunction.
Blank display
BM
:
Check if the batteries have been
inserted correctly. Also check polarity (<+> and <->) of
the batteries.
Flat battery indicator
BN
:
If only «battery» icon is
shown on the display, the batteries should be replaced
immediately.
11.Cleaning and Disinfecting
Use an alcohol swab or cotton tissue moistened with alcohol
(70% Isopropyl) to clean the thermometer casing and the
measuring sensor. Ensure that no liquid enters the interior of
the device. Never use abrasive cleaning agents, thinners or
benzene for cleaning and never immerse the device in water
or other cleaning liquids. Take care not to scratch the
surface of the sensor lens and the display.
12.Battery Replacement
This device is supplied with 2 new, long-life 1.5V, size AAA
batteries. Batteries need replacing when this icon
«battery»
BN
is the only symbol shown on the display.
Open the battery cap
BQ
with a tool and lift it manually.
Replace the batteries – ensure correct polarity as shown by
the symbols in the compartment.
Batteries and electronic devices must be dispo-
sed of in accordance with the locally applicable
regulations, not with domestic waste.
13.Guarantee
This device is covered by a
5 year guarantee
from the date
of purchase. During this guarantee period, at our discre-