General Research of Electronics Inc 0602901 用户手册
indicates that the EZ Scan-SD is connected to external power
and the internal battery charger circuit is active.
and the internal battery charger circuit is active.
WARNING:! The external DC power input is designed to accept external
!
power from the USB data cable and from USB power adapters.
!
Turn the EZ Scan-SD off prior to connecting or disconnecting
!
external power.
Low Battery Warning
Your scanner will provide an audible low battery warning every
30 seconds when the batteries are nearly depleted.
30 seconds when the batteries are nearly depleted.
NOTE: ! Actual timing of low battery warnings will depend on the age and
!
condition of the batteries you are using.
Listening Safely
To protect your hearing, follow these guidelines when you use
headphones.
headphones.
• Insert the headphone plug into the HEADPHONE jack and set
the volume to zero before putting on your headphones. With
the headphones on, adjust the volume to a comfortable level.
the headphones on, adjust the volume to a comfortable level.
• Avoid increasing the volume once you set it. Over time, your
sensitivity to a volume level decreases, so volume levels that
do not cause discomfort might damage your hearing.
do not cause discomfort might damage your hearing.
• Avoid or limit listening at high volume levels. Prolonged
exposure to high volume levels can cause permanent hearing
loss.
loss.
Traffic Safety
Wearing headphones while operating a motor vehicle or riding a
bicycle is very dangerous and illegal. Do not operate any vehicle
while listening to the EZ Scan-SD with headphones or
earphones.
bicycle is very dangerous and illegal. Do not operate any vehicle
while listening to the EZ Scan-SD with headphones or
earphones.
GENERAL RESEARCH OF ELECTRONICS, INC. PROPRIETARY AND CONFIDENTIAL INFORMATION
EZ Scan-SD Preliminary User Manual"
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