Powering the D500X
The D500X can be powered either from internal batteries or from external batteries/power
supply. In the case of internal batteries, 4 AA cells are used. Alkaline batteries or
rechargeable NiMH cells are recommended – please note the polarity as indicated in the
battery holders! To open the battery cap, turn the cap 90 degrees counter-clockwise. When
closing the battery cap, first put it in the 'open' position and press it all the way down to bring
it in level with the panel, then turn it to the 'closed' position.
An external 6 V battery (5.5 V - 8 V DC is acceptable) can also be connected to the DC jack
using a cable available from Pettersson. The Main Power switch (INT/EXT) is used to select
internal or external supply or to disconnect power (mid position).
To switch the unit on, press the ON/OFF key briefly and then press/hold it for a few seconds.
To turn it off press the ON/OFF key and confirm by pressing the ENTER key as shown on the
display. The detector will be turned on without using the ON/OFF key when the Main Power
switch is activated.
In order to constantly maintain power to the real-time clock and some other parts of the
detector, a small lithium battery is incorporated in the detector. After several years of use, this
battery has to be replaced. Please contact Pettersson for more information about this.
Caution. Carefully note the polarity of the batteries and/or the external power
supply. Reverse polarizing the supply voltage as well as exceeding the maximum
voltage may cause permanent damage to the detector!
Battery handling precautions. Incorrect use or handling of the batteries can
cause them to leak or burst and create the danger of fire and personal injury as
well as damage to the detector.
Remove the batteries from the D500X if you do not plan to use it for more than
two weeks.
Never recharge batteries, never allow direct connection between two ends of a battery and
never try to take batteries apart.
Do not expose batteries to direct heat or dispose of them by burning. Doing so can create the
danger of explosion.
Never mix batteries of different types.
Dead batteries are susceptible to leakage, which can cause serious damage to the D500X.
Remove batteries from the detector as soon as you notice they are dead.
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