Lumens Technology CT-S50 - Manual (Page 12)

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Chapter 5 Start Using
 Place the tablet PC into the storage compartment and connect with USB
cable.
 Turn on the main power to start charging.
[Note] Confirm the indicator is under charging mode (Charging indicator is on)
Chapter 6 Indicator Description
1. SYNC: USB port connected with computer for data synchronization
2. USB Port 1: Support 5 V, 2.4 A
3. USB Port 2: Support 5 V, 1.5 A
4. CH1/CH2/CH3: Switch charging modes or synchronization
modes
5. Charging/Sync: Charging mode or synchronization mode indicator
6. 1 ~ 16: Charging indicator
 No light: Devices not connected
 Green light: Charging completed
 Red light: Charging is ongoing
 Red and green indicators alternately flicker: Under synchronization
  
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 