5
WR3 User Guide
Using the Interlock
Starting the motor
1. The interlock turns on automatically
when you plug it in, and Wait dis-
plays as the unit warms up.
If the interlock is plugged in, but has
gone into sleep mode, turn the power on
again by pressing the right button.
Alternatively, you can move the key
between the On and Off positions.
Note: The ignition must be OFF before you can
continue.
2. The handset displays Ready for test
when it has finished warming up.
The warm-up time is longer in cold
temperatures.
Note: Do not store the mouthpiece to be used
in a cold area. This causes condensation in the
mouthpiece and increases the opportunity for
water to enter the handset.
3. Insert a clean mouthpiece. Using a
clean mouthpiece is good hygiene,
and it helps to ensure a usable
breath sample.
Note: Do not eat, drink or smoke for at least 15 minutes before the test. This
could contaminate the breath sample.
USING THE INTERLOCK
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