Power Source - Jensen SCR-90 User Manual

BATTERY OPERATION
Notes: If you are using an external AC adapter (not included) for powering the unit,
disconnect it before installing batteries.
For best performance and longer operating time, we recommend using alkaline batteries.
1. Remove the BATTERY DOOR (#12) on the back of the unit.
2. Follow the polarity diagram shown beside the BATTERY DOOR (#12) to insert 2 X
'AA' size (UM-3) batteries and close the BATTERY DOOR (#12).
BATTERY WARNING
1. Be sure 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 OPERATION (adapter not included)
This unit can also be powered using an AC adapter (not included) with an input voltage of
AC 120V ~ 60Hz, and output voltage of DC 3V
1. Plug the AC adapter (not included) into a household AC power outlet.
2. Insert the DC plug of the AC adapter cord into the DC IN JACK (#9).
3. If batteries are installed in the SCR-90, they will automatically be disconnected when
using an AC adapter.
NOTE: Only use adaptor with an output voltage
rated at DC 3V
center positive plug.
WARNING: Before connecting to the power supply, ensure that the supply corresponds
to the information on the rating label located on the back of the unit.
USB POWER
- This unit can also be powered using the built-in MINI USB JACK (#8) and the included
USB cable.
- A USB power supply (not included) like a cell phone charger, computer USB port or
USB power bank with a minimum output of DC 5V
- Plug the mini USB connector on the cable into the MINI USB JACK (#8) located on the
SCR-90. Plug the other end of the USB cable into the USB charger, power bank or
computer (not included).
- If batteries are installed in the SCR-90, they will automatically be disconnected when
using the USB port for powering the unit.

POWER SOURCE

300mA with a
E-3
300mA.
500mA is required.