RTF
EN
5
The Duet transmitter has been designed to safely
charge the included Li-Po battery.
CAUTION:
All instructions and warnings must
be followed exactly. Mishandling of Li-Po batteries
can result in a fi re, personal injury and/or property
damage.
• By handling, charging or using the included Li-Po
battery, you assume all risks associated with
lithium batteries.
• If at any time the battery begins to balloon or
swell, discontinue use immediately. If charging
or discharging, discontinue and disconnect.
Continuing to use, charge or discharge a battery
that is ballooning or swelling can result in fi re.
• Always store the battery at room temperature in a
dry area for best results.
• Always transport or temporarily store the battery
in a temperature range of 40–120° F. Do not store
the battery or model in a car or direct sunlight. If
stored in a hot car, the battery can be damaged or
even catch fi re.
• Always charge batteries away from fl ammable
materials.
• Always inspect the battery before charging.
• Always disconnect the battery after charging, and
let the charger cool between charges.
• Always constantly monitor the temperature of the
battery pack while charging.
• ONLY USE A CHARGER SPECIFICALLY DESIGNED
TO CHARGE LI-PO BATTERIES. Failure to charge
the battery with a compatible charger may cause
a fi re resulting in personal injury and/or property
damage.
• Never discharge Li-Po cells to below 3V under
load.
• Never cover warning labels with hook and loop
strips.
• Never leave charging batteries unattended.
• Never charge batteries outside recommended
levels.
• Never charge damaged batteries.
• Never attempt to dismantle or alter the charger.
• Never allow minors to charge battery packs.
• Never charge batteries in extremely hot or cold
places (recommended between 40–120° F or
5–49° C) or place in direct sunlight.
Charging Warnings
Always charge the aircraft battery before fl ying.
CAUTION:
Do not store the Li-Po battery in
the charger. Doing so could over-discharge the
Li-Po battery.
If the fl ight battery charging takes longer than
45 minutes AND the charge LED remains solid,
replace the transmitter batteries.
Charging the Flight Battery
CHARGING
(Solid Red)
.........................
READY
(Blinking 20 sec. intervals)
.........
MAX CHARGE
(off)
...........................
red
45
MIN.