First Alert 2.5Color LCD Portable Wireless Family Monitor DWB-740 User Manual

Page 20

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20

T r o u b l e s h o o t i n g

Problem

Possible Causes

Remedies

System message
shows “No Signal”

No power supply to
camera

Check power adapter and power cable
connection. If camera is running on
battery alone, you may need to replace
batteries.

Camera is not paired
with receiver

See pairing operation for detail

.

Service out of range

Move the camera closer to the receiver.

Signal is blocked

If possible, remove major obstacles in
between the camera and the receiver. Or,
relocate the camera to another location.

Low or unstable
signal

Antenna direction is
limited

Adjust the camera antenna and receiver
position.

Signal has been
blocked

If possible, remove major obstacles in
between the camera and receiver. Or,
relocate the camera to another location.

Strong radio signal
nearby

Keep WIFI router away from the camera
and/or receiver.

Strong electromagnetic
interference nearby

Keep active appliances such as hair
dryers, heat fans, air conditioners, water
pumps, or microwave ovens away from
the camera and/or receiver.

Recording does not
work

No SD Card

Insert SD Card.

SD Card locked

Unlock the SD Card.

Black screen
& Buttons
no function

Power save mode on

Press power key to resume receiver
image; please refer to [Power Saving]
section on page 12 for details.

Audio feedback

Camera and receiver
are too close

The camera has a high sensitivity
microphone. Keep the camera at least 10
feet away from the receiver. If the camera
must be within 10 feet of the receiver,
keep the volume down.

VOX Record & Alarm
does not work

VOX Menu set to “OFF”

Set VOX Sensitivity/VOX Alarm/VOX Record to
ON

.

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