SENRUN EP-280 - Manual (Page 7)

EP-280 SERIES
5
►Battery Charge and Maintenance
►Specification
Built-in a 12.6V/2600 mAh lithium battery, please charge the battery until
the power LED light changes to green as full of power then starting use
this unit.
It needs to charge the battery while the power light is stated as yellow .
It is recommended to charge the power of battery especially while on the
power too low then automatically shut off, otherwise it may damage the
battery since the lithium battery may still cause electric discharge.
This unit can be simultaneously in battery charged and unit being
used.
If the LED charging is illuminated and keep as Red light too long while
charging beyond normal charging time (4 hours), please check out the
battery if over-heated (actually this unit has auto-detective safety system
to protect the abnormal over-heat), please then cease the power charge
and await the temperature cold enough, then re-charge the battery
again, if the Green light is not illuminated after again battery charge,
please contact with any of your suppliers or agents.
Model UH-816
Microphone capsule Dynamic
Carrier Frequency range 600-960MHz
Frequency Stability ±0.005%
Frequency Response 50Hz-18KHz(±3dB)
Antenna Built in
S/N Ratio 80dB overall
RF Output Power 10mW MAX.
Currency Consumption 100mA ±10mA
Battery 1.5V x 2(Aa x 2)
Weight 230g
Model UPL-83
Carrier frequency range 600-960MHz
Pre-programmed
Frequency
Preset 16 Channels
Frequency stability <0.005%
Frequency response 50Hz-18KHz(+/-3dB)
Antenna External antenna
Weight 100g
Battery
1.5v x 2 or 1.2V x 2
(AA UM-3)
Model EP-280
Speaker 5 1/4 inch
Audio Input -10dB 230mV
Power Output 35W MAX
Frequency Response 50Hz-18KHz(±3dB)
Microphone -36dB 15mV
Distortion Ratio <0.03%
S/N Ratio <85dB
Power supply AC100~240V,DC19V/2.3A
Charging time About 4 hours
Using time About 5~8 hours
Dimension 160x150x205mm
Weight 1.6kgs