Volvo FM Handbook page 385

374 Alcolock
3 Fit a nozzle to the hand unit. New users should use a
new nozzle.
4 Blow sufficiently hard into the nozzle. The
ALCOLOCK gives a continous tone to indicate the air
flow is sufficient. Continue to blow until you hear a
peep and the handset clicks. The LCD display should
then show "Wait".
If you blow incorrectly, the LCD screen will show
either "Blow less hard" or "Blow longer and harder".
Wait unit the handset shows "Blow for 5 seconds"
before trying again.
Note the test result on the hand unit.
5A If "Start engine" is shown in the LCD display and
the status lamp shows a green light, then you have
managed the test. The measured alcohol level is
between 0.00 and 0.10 ‰.
You have 5 minutes to start the vehicle.
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Start
motor
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