Pyle PHITB65BK User Manual - Page 14

3. The USB port of this unit is designed for smart phone or portable device battery charging only and it cannot support data transfer or connect to computer. 4. Do not connect the USB port of this unit to other external power charger USB ports, it may damage both units and void the warranty. Note: 1. Some smartphones and portable devices use proprietary USB connections and circuitry, so they may not charge when plugged into the USB port. Please refer to your device user manual before you attempt to charge them. 2. It is normal if the unit gets warm while the USB port is in use and charging your smart phone or portable device. 3. Do not charge your smartphone over 12 hours continuously. Disconnect your smart phone or other portable device from the USB cord once it is fully charged. DIMMER OPERATIONS Press the Dimmer Button to adjust the LED backlight intensity to obtain the best clarity of LED Panel readout. Note: • Every time you turn on the unit, the LED backlight will revert to highest intensity to let you operate the unit easily. • Only the unit is on, you can change the LED backlight intensity. It has three levels. SLEEP TIMER OPERATIONS 1. In Radio, Bluetooth USB or AUX mode, when you press the Sleep Button once, the "OFF" indicator will appear on the LED display. Press again to choose time :10-20- 30-40-50-60-70-80-90 minutes. 2. Tap the Sleep Button repeatedly to select the desired sleep time. : 10-20-30-40-50- 60-70-80-90 minutes.After sleep timer has been selected, wait for 5 seconds to confirm. The unit will stop and go into Standby mode automatically when the selected sleep time has expired. 3. To check sleep time, press the Sleep Button.LED display will show the status. Note:  If have set the sleep time, the unit will go into Standby mode automatically when the selected time has expired.  If you have chosen to sleep to music from an external device connected to AUX 13