Rechargeable Battery And Ac Power Adaptor - Extech Instruments HDV540 User Manual

7. Rechargeable Battery and AC Power Adaptor
7.1 Rechargeable Battery
When the battery icon
system uses a rechargeable Li‐Polymer 3.7V battery (supplied installed). Note that the
system can be used normally while it is charging.
Connect the supplied USB cable to the USB port (10) on the left side of the main unit (under
the protective flap) and to a PC USB port. Then follow the programming instructions in
Section 8.11, USB Connection, for complete details. A full charge requires 5 hours. The
internal battery is not user serviceable.
The Universal AC Power Adaptor can be used to recharge the battery as explained in the next
section.
7.2 Universal AC Power Adaptor
The system also includes a Universal AC Power Adaptor for powering the system and
recharging the battery. The AC Power Adaptor jack (4) is located on the upper right side of
the main unit under the protective flap.
8. Operation
8.1 Connecting and Powering the System
 Connect the camera's signal cable to the keyed jack (8) at the top of
the main unit and secure tightly with the nut.
 Mount the camera to the main unit using the mounting screw hole
on the back of the main unit.
 Insert the SD CARD into the slot (7) on the upper right of the main
unit. Use the proper insertion orientation and do not force the card.
USB Flash Drives can be used as explained later in this manual.
 The supplied Li‐Polymer rechargeable 3.7V battery powers the
system. Alternatively, use the supplied universal AC power adaptor
to power the system.
 Press and hold the Power button (1) for 2 seconds to switch the meter ON. If the main
unit does not power up, please charge the battery or use the supplied AC power adaptor.
 Check that camera and main unit are operational by viewing the displayed camera image.
8.2 Main Display
The main display appears as shown.
1. Camera image area
2. Video recording elapsed timer
3. Magnification level (zoom)
4. Battery power status
5. Mode icon (video or photo)
6. Date and Time
appears empty on the LCD, the battery must be charged. The
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