Operation Manual

ALPINE HCE-C305R_EN 68-23120Z52-A (A5)
16-EN
Adjusting Alarm Volume
The audible warning has 3 selectable volume
levels. The default is the “Middle” setting.
1 Press and hold SET. for at least 1 second.
The volume adjustment screen appears.
2 Press SET. to switch to a desired volume
level.
Pressing the button toggles the volume level.
Low Middle High
3 Press and hold SET. for at least 1 second.
The sensitivity adjustment screen appears.
4 To return to the normal mode, press and
hold SET. for at least 1 second again.
The buzzer volume can be altered accidentally. Use
with the appropriate volume level.
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Adjusting Detection
Sensitivity
Object detection has 2 selectable sensitivity levels.
The default is “High.”
1 Press and hold SET. for at least 1 second.
The volume adjustment screen appears.
2 Press and hold SET. for at least 1 second
again.
The sensitivity adjustment screen appears.
3 Press SET. to switch to a desired
detection sensitivity level.
Pressing the button toggles the detection
sensitivity level.
High Low
Low: Detects mainly moving objects.
Almost no motionless objects are
detected.
High: Detects moving objects and
motionless objects.
4 To return to the normal mode, press and
hold SET. for at least 1 second.
For details on the detection function, refer to
“Cautions Regarding Object Detection Function”
(page 6).
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