DFW series indicators DFW_03_12.07_EN_U
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5. POWER SUPPLY AND START UP
5.1 DFWLKR, DFWLKRF, DFWLAP POWER SUPPLY
The instrument can be powered with a 6 Vdc tension supplied from an AC/DC external adapter which should be connected
to the 110-240 Vac mains voltage. Safety norms must be respected for the connection to the mains voltage including the
use of a line which has to be free from noise generated by other electronic equipment.
It is also possible to power through a rechargeable built-in battery depending on the instrument model.
6V RECHARGEABLE BATTERY FEATURES
Material Lead
Power 1,3 Ah (DFWLKR, DFWLKRF), 4,5 Ah (DFWLAP)
Output 6 V
THE BATTERY MUST ONLY BE REPLACED WITH AN ORIGINAL FROM THE MANUFACTURER.
In order TO POWER the instrument through the 110-240Vac mains or TO RECHARGE the 6V battery insert the plug end of
the AC/DC power adapter into the socket or terminal board in the back of the instrument (chapter “INSTALLATION”) and
the adapter in the mains.
If the instrument has been powered correctly, the power-on led on the front panel turns on.
Do not connect other equipment to the same socket as the one that the adapter is in.
Do not step on or crush the power supply cable.
5.2 DFW, DFWLI, DFWLIB, DFWL, DFWLB, DFWLID, DFWLIDCC POWER SUPPLY
The instrument can be powered with a 12 Vdc tension supplied from an AC/DC external or internal adapter (depending on
the model) which should be connected to the 110-240 Vac mains voltage. Safety norms must be respected for the
connection to the mains voltage including the use of a line which has to be free from noise generated by other electronic
equipment.
It is also possible to power through a rechargeable built-in battery, depending on the instrument model.
6V RECHARGEABLE BATTERY FEATURES
Material Lead
Power 4,5 Ah
Output 6 V
For DFWLB, DFWLIB, DFWLID:
6V RECHARGEABLE BATTERY FEATURES
Material NiMH
Power 4,3 Ah
Output 6 V
THE BATTERY MUST ONLY BE REPLACED WITH AN ORIGINAL FROM THE MANUFACTURER.
In order TO POWER the instrument through the 110-240Vac mains or TO RECHARGE the 6V battery:
• EXTERNAL power adapter:insert the plug end of the AC/DC power adapter into the socket or terminal board in the
back of the instrument (chapter “INSTALLATION”) and the adapter in your main current source.
• INTERNAL power adapter: insert the power supply cable in your main current source.
The DFWL model can be powered also with 4 AA rechargeable or not rechargeable batteries which have to be inserted in
the extractable battery box.
NOTE: if the AA rechargeable batteries are used (not supplied), the recharge MUST be made separately using the
proper battery charger (not supplied).
TO INSERT OR REMOVE the AA batteries, pull out the battery box which is found on the upper side of the instrument
(chapter “INSTALLATION”), remove the discharged batteries and insert the new ones according to the shown polarity, then
insert the battery box again.
If the instrument has been powered correctly, the power-on led on the front panel turns on.
Do not connect other equipment to the same socket as the one that the adapter is in.
Do not step on or crush the power supply cable.
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