Whistler 1790SE User Manual

Page 9

OPERATION

Stay Alert Feature
The Stay Alert Feature is designed to test a driver’s aler t-
ness. To engage (when unit is not alarming):

• P ress and hold City for approximately 2 seconds.
Release the button during or immediately after the alert is
given. Display reads:

Within 30-60 seconds two beeps are sounded; to show alert-
ness, the driver must press either the (Volume), City or

(Quiet) button within 3-5 seconds. If the button is pre s s e d

within 3-5 seconds, the cycle is re p e a t e d .

If a button was not pressed within 3-5 seconds alarm sounds
and the display re a d s :

• Press (Power) to exit.

WA R N I N G ! ! ! Stay Alert is NOT intended as a substitute for
adequate rest. You should NOT operate a vehicle if you are
d ro w s y. During extended periods of vehicle operation, you
should take frequent breaks. Improper reliance on the Stay
A l e rt feature may result in vehicle damage, personal injury or
d e a t h . NEVER OPERATE A VEHICLE IF YOU ARE DROWSY.

Dim/Dark Mode
Dim/Dark Mode reduces the illumination of the display.
• P ress and hold (Power) for 2 seconds to reduce illumi-
nation to a Dim setting. Display re a d s :

• P ressing and holding for 2 seconds a second time
engages Dark Mode. Display re a d s :

Dim or dark can be engaged during an alert. In Dark Mode,
the display goes dark for as long as a signal is being detect-
ed and for 20 seconds after, then the display re t u rns to the
dimmer setting.
• P ressing and holding a third time re s t o res full illumina-
tion to the display.

Engaging/Disengaging VG-2
See Option Select Mode to turn this feature on.