Dogtra 1900 Series - Manual (Page 16)

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CHARGING THE BATTERIES
3. After charging, cover the battery charging
receptacles with the rubber plugs on the
transmitter and receiver.
4. The battery is fully charged with a 10-hour
charge. The lights will stay red during the
charging process. They DO NOT turn green
when fully charged. Charging the batteries
for more than 10 hours at one time will not
extend battery life.
The
collar has a range of 1/2-mile. Depending on the
way you use your transmitter, the range may
vary.
Hold the transmitter away from your body
and avoid touching the antenna, to get the
greatest range.
For maximum signal strength, keep your unit
properly charged.
Maximum Range
Typical Range
Minimum Range
RECEPTION
RECEPTION