Whistler 1770 - Manual (Page 6)

Power On And Self-Test
Each time your Whistler detector is turned on, an auto-
matic self-test sequence confirms which features are pro-
grammed On or Off.
• Press Power or apply Power. Display reads:
Note: If any of the radar/laser bands are not displayed
during the self-test, this means they were turned off in
Option Select Mode (see page 18).
OPERATION
9
INSTALLATION
Visor Mounting (optional accessory )
• Slide the visor bracket into the bracket mounting slot.
• Clip the visor bracket onto the visor making sure it is
relatively level and has a clear view of the ro a d .
Power Connection
• Plug the small end of the power cord into the unit’s power
j a c k .
• Plug the large end into the vehicle’s cigarette lighter.
Fuse Replacement
The lighter socket plug is equipped with a replaceable 2
amp 3AG fuse located behind the silver tip. To replace the
fuse, carefully unscrew the tip of the plug. (I M P O RTA N T:
U n s c rew slowly. The tip contains a spring which may fly out
when disassembling.) Insert the new fuse with the spring and
s c rew on the tip. With use, screw cap on plug may loosen.
Retighten occasionally.
U n s c rew the tip of the lighter socket plug carefully when replacing the 2 amp
f u s e .
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Insert into bracket mounting slot. Do not bend this
section of bracket.
Slide on view