Installation Instructions

E-5
POWER SOURCE
BATTERY OPERATION
Notes: If you are using an external AC adapter (not included) for powering the unit,
disconnect it beforeinstalling batteries.
Forbestperformanceandlongeroperatingtime,werecommendtheuseofalkalinebatteries.
1. Open the BATTERY DOOR on the bottom ofthe unit.
2. Follow the polarity diagram shown in the BATTERY COMPARTMENT to insert 2 X ‘AA’
size(UM-3)batteriesandclosetheBATTERYDOOR.
3. The LCD backlight last for 30 seconds when you press the buttons if you are using battery
powered.
BATTERYWARNING
1. Besurethebatteriesareinstalledcorrectly.Wrongpolaritymaydamagetheunit.
2. Useonlythesizeandtypeofbatteriesspecified.
3. Do not mix old andnew batteries.
4. Donotmixalkaline,standard(carbon-zinc)orrechargeable(nickel-cadmium)batteries.
5. If the unit is not to be used for an extended period of time, remove the batteries. Old or
leakingbatteriescancausedamagetotheunitandmayvoidthewarranty.
6. Do not try to recharge batteries not intended to be recharged; they can overheat and
rupture. (Follow batterymanufacturer’sdirections).
7. Donotdisposeofbatteriesinfire,batteriesmayleakorexplode.
ACADAPTOROPERATION(adaptornotincluded)
ThisunitcanalsobepoweredusinganACadapter(notincluded)withaninputvoltageofAC
120V~60Hz,andoutputvoltageofDC4.5V 700mA .
1. PlugtheACadaptor(notincluded)intonormalACpoweroutletsocket.
2. Insert the DC plug of the AC adaptor cord into the DC INJACK(#3).
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
theinformationontheratinglabelatthebackoftheapparatus
USB POWER
This unit can also be powered using the built-in MICROUSBJACK (#2) and a USB power source
(not included) like a cell phone charger, computer USB port or USB power bank. USB cord is
also required.
1. Use a USB power source with a minimum output of DC 5V 700mA.
2. Plug one end (micro USB plug) of the USB cable into the MICRO USBJACK (#2) and the
other end of the cable to the USB charger/power bank/computer (not included).
3. The battery source will automatically be disconnected when using the USB port for
powering the unit
Caution: When not using USB power, disconnect the USB cable.