8
Buttons
Fitting the mouthpiece
●
Open packaging. To ensure the mouthpiece stay hygienic, keep the portion to come in
contact with mouth covered by packaging until mouthpiece is correctly fitted to the
instrument.
●
With the grooved markings facing up, press the mouthpiece into mouthpiece receptacle
until you hear it click into place.
Note:
The symbols under the battery flap mean: Attention! Please con-
sult the user instructions!
Before changing batteries, please read the instructions.
"OK"-button
Confirms entries or selected functions.
Button to switch instrument on and off.
"DOWN" and "UP"
Setting of values and selection of menu functions.
0
1
2239
7
3_1
.eps
OK
M
05
7
239
7
3_1
.eps
058239
7
3_1
.eps
Summary of Contents for Alcotest 6810 GB
Page 31: ......
