Velleman DEM900 Manual Del Usuario página 4

4. Features
display: lux, °C, °F, % RH, dB-A, dB-C, dB-low and dB-high, m/s, km/h,
•
ft/min, knots, mph
large 4-digit backlit LCD display
•
data hold and maximum hold
•
auto power-off and low-battery indication
•
comes with: 9V-battery, temperature and humidity probe, photo
•
detector , anemometer probe, carry case and coloured box
5. Overview
Refer to the illustrations on page 2 of this manual.
1
windscreen
2
microphone
3
LCD display
4 temp./humidity button
5 backlight
6
data-hold button
7
unit selection button
8
power switch
9 function selection button
Display
1 temp/humidity reading
2
battery level
3
temperature unit
4 humidity icon
5 air velocity unit
6 reading
6. Battery
1. To replace the battery, make sure the device is switched off.
2.
Open the battery compartment at the back using an appropriate
screwdriver.
3.
Take out the old battery and replace with a new and identical 9 V
battery following the polarity markings inside the compartment.
4.
Close the battery compartment.
Warning: Do not puncture batteries or throw them in fire as they
may explode. Do not attempt to recharge non-rechargeable
batteries (alkaline). Dispose of batteries in accordance with local
regulations. Keep batteries away from children.
V. 02 – 29/01/2016
DEM900
10
MIN/MAX button
11
°C/°F selection button
12
sound level calibration
13 probe socket
14 sensor socket
15
external power supply
16
tripod socket
17
battery compartment
18 screw
7 sound level unit
8
light unit
9
MIN/MAX value
10 data hold
11 power off timer
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