Klein Blackbox+ series, User Manual, Page: 8 / 18

Over View
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Antenna
‚
The Indicator
The indicator lights red when transmitting; lights green when receiving; flashes red when the battery power is low;
flashes green when scanning.
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Power/Volume Switch
Turn it clockwise to switch on the radio until a click is felt. Rotate it to adjust volume after turn on the radio. Turn it
counter clockwise to switch off the radio until a click is felt.
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Channel Selector
Rotate it to select operating channel from 1~15+S. When
changing channel, the radio will announce the selected
channel number if the Channel annunciation is ON.
Speaker
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PTT (Push-To-Talk)
Press and hold PTT button to make a call; release it
to receive.
‡
MIC-SP Jack/ Data Port.
To connect the earphone/microphone or data cable
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Top Cover
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Battery Release Latch
Li-ion Battery
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