13
Also note the dimensions of the small-voltage plugs which are:
Outer diameter, mm
Inner diameter, mm
5.5
2.5
5.5
1.5
5.0
2.1
4.0
1.7
3.5
1.35
2.35
0.75
3.5 mm, jack connector
---
2.5 mm, jack connector
---
Attention !
- The surface of the casing will heat up intensely during prolon-
ged operation at a rated load (abt. 68 VA). Attention: Danger of
burns ! Therefore, take great care to sufficiently ventilate the
power supply unit. Never operate it when partially or fully cover-
ed. This will help avoid any damage.
- When connecting a load always take care not to connect it as
long as it is switched on. A load in an ON condition, when being
connected to the output terminals of the power supply unit, can
cause sparks to form on the supply terminals. This, in turn, can
damage the supply jacks or the cables connected and/or their
terminals.
- If you do not need the plug-in mains adapter disconnect it from
the mains.
C How to do maintenance
The power supply unit does not require any maintenance except that the surface of
its casing needs cleaning occasionally. However, check the mains plug for the
integrity of its insulation at certain intervals.
Do not open the device or make unauthorized modifications to the circuits inside the
device because this will invalidate the guarantee claim. Use a clean, non-fluffy, anti-
static, and dry cloth to clear the device of impurities.
Attention:
Do not use carbon-containing cleaning agents, petrol, alcohols or
similar agents. This can attack the surface of the device. Further-
more, the fumes are a health hazard and explosive. Moreover, you
should not use sharp-edged tools, screw-drivers or metal brushes
or similar objects for cleaning.
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