Whistler 1650 - Manual (Page 11)

OPERATION
Power On And Self-Test
Each time your Whistler detector is turned on, an auto-
matic self-test sequence confirms that the speaker and
visual displays are functional.
• Turn Power/Volume control clockwise. Display reads:
Feature Engaged Confirmation
Each time a button is pressed one beep confirms feature
“on”, two beeps confirm feature “off”.
9
WHISTLER
Ka 9
SAFETY
HIGHWAY
X 9
LASER
K 9