E-4
POWER SOURCE
BATTERY OPERATION
Notes: Disconnect AC adapter before installing batteries.
For best performance and longer operating time, we recommend the use of alkaline batteries.
1. Remove the BATTERY DOOR (#19) on the bottom of the unit.
2. Follow the polarity diagram shown in the BATTERY COMPARTMENT to insert 2 X ‘AA’
size (UM-3) batteries and close the BATTERY DOOR (#19).
BATTERY WARNING
1. Be sure that the batteries are installed correctly. Wrong polarity may damage the unit.
2. Use only the size and type of batteries specified.
3. Do not mix old and new batteries.
4. Do not mix alkaline, standard (carbon-zinc) or rechargeable (nickel-cadmium) batteries.
5. If the unit is not to be used for an extended period of time, remove the batteries. Old or
leaking batteries can cause damage to the unit and may void the warranty.
6. Do not try to recharge batteries not intended to be recharged; they can overheat and
rupture. (Follow battery manufacturer’s directions).
7. Do not dispose of batteries in fire, batteries may leak or explode.
AC ADAPTER (not included) OPERATION
(AC adapter: input AC 120V ~ 60Hz, output DC 4.5V 700mA)
1. Plug the AC adapter (not included) into normal AC power outlet socket.
2. Insert the DC plug of the AC adapter cord into the DC IN JACK (#17).
3. When the unit is operated using AC adapter, the battery source will automatically be
disconnected.
WARNING: Before connecting to the power supply, ensure that the supply corresponds to
the information on the rating label at the back of the apparatus.
USB POWER
- The SB4703 can be operate by USB power DC 5V 500mA.
- Plug one end (micro USB plug) of the USB cable into the USB POWER JACK (#16) and the
other end of the cable to the USB charger/power bank/computer (not included).
- When the unit is operated using USB power, the battery source will automatically be
disconnected.
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