7
SPEKTRUM DX8 • RADIO INSTRUCTION MANUAL
ChARGING YOUR TRANSMITTER
The DX8 features a built-in multi-chemistry charger designed to charge 4-cell
NiMH and 2-cell LiPo batteries at a charge rate of 200mAh. The charge jack on
the right side of the transmitter is non-polarity-critical, allowing you to use any
type of 12-volt supply to charge the battery regardless of connector polarity.
Using the included SPMB2000NMTX NiMH battery pack, you should plug the
included 12-volt AC to DC power supply in for 10 to 12 hours to fully charge
the battery.
CAUTION:
Never plug in a peak detection or fast charger into your
DX8 as this could damage the internal charge circuit. Use only a 12V DC
source.
With the transmitter power turned off, plug the included 12 volt power supply
into a wall outlet. Then plug the male charge plug into the charge jack. The blue
LED on the front of the transmitter will illuminate. When charging the optional
SPMB4000LPTX, a full charge can take up to 30hrs depending on the initial
charge state of the battery. When charging a LiPo, the blue light will turn off
when the charge cycle is complete.
NIMh/LIPO bATTERY SUPPORT
The DX8 includes a rechargeable NiMH battery pack. A low battery alarm
sounds when the battery reaches 4.3 volts. Spektrum offers an optional 2-cell
LiPo battery pack (SPMB4000LPTX) for the DX8. LiPo batteries have a higher
operational voltage and when switching to a 2-cell LiPo battery in the transmitter,
it is important to change the low battery alarm to the LiPo setting to prevent
over-discharging the pack.
To Access and Change battery Type
In the System Setting screen (see page 20 in your manual) rotate the roller to
select NEXT at the bottom right of the System setting screen. The following
screen appears.
Rotate the roller to highlight battery type.
Press the roller to access NiMH or LiPo. The low voltage cutoff will default to
the recommended voltage for the battery type selected. The voltage cutoff can be
adjusted from this screen, but normally the default cutoff of 6.4 volts for LiPo is
recommended.
bATTERY AND ChARGING
PRECAUTIONS AND WARNINGS
Failure to exercise caution while using this product and comply
with the following warnings could result in product malfunction,
electrical issues, excessive heat, FIRE, and ultimately injury and
property damage.
• Read all safety precautions and literature prior to use of this product.
•
Never
allow minors to charge battery packs without adult supervision.
•
Never
drop power supply or batteries.
•
Never
attempt to charge damaged batteries
•
Never
attempt to charge a battery pack containing different types of
batteries.
•
Never
charge a battery if the cable has been pinched or shorted.
•
Never
allow batteries or battery packs to come into contact with moisture
at any time.
•
Never
charge batteries in extremely hot or cold places (recommended
between 50-80 degrees F) or place in direct sunlight.
•
Always
disconnect the battery after charging, and let the charger cool
between charges.
•
Always
inspect a new battery before charging.
•
Always
terminate all processes and contact Horizon Hobby if the product
malfunctions.
•
Always
keep batteries and charger away from any material that could be
affected by heat (such as ceramic and tile), as they can get hot.
•
Always
end the charging process if the charger or battery becomes hot to
the touch or starts to change form (swell) during the charge process.
EN
Summary of Contents for DX8
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