User Manual: ZPR4620
6+2 Channel Rack Zoning Mixer
V2.00 (04-2013) © Hill Audio
14
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Block Diagram
User Manual: ZPR4620
6+2 Channel Rack Zoning Mixer
V2.00 (04-2013) © Hill Audio
3
hum and noise like electric motors and transformers.
6. Carry this product with greatest care. Punches, big forces and
heavy vibration may damage this product mechanically.
7. The manufacturer takes no responsibility for injury or damage
caused by not following the safety precautions and instructions
printed in this manual.
Protection from electric shock:
1. Only connect this unit to a mains socket outlet with protective earth
connection, ground-fault (earth-fault) protection and overload
protection.
2. Where the mains plug or an appliance coupler is used as a dis-
connect device, the disconnect device shall remain readily
operable.
3. To pull the AC Cord out of the wall outlet or the unit’s AC socket,
never pull the cable itself, but only the AC plug.
4. Disconnect the unit from AC supply by pulling the AC plug out of
the wall outlet or the unit’s AC socket before any kind of cleaning
on the product. Use smooth and dry cloth only for cleaning. Check
all connection cables before reconnecting the unit.
5. Do not expose this unit to any dripping or splashing liquids, and do
not place objects filled with liquids, such as vases, on the unit. Do
not operate this unit near to open water or in high humidity.
6. Choose the position of the AC cord according to the lowest risk of
damage by foot steps or by squeezing it. Take especially care of
the AC cord outlet on the unit as well as the AC plug and wall outlet
at the other end of the cable.
7. Do not open the unit for service purpose, as there are no user-
serviceable parts inside. Warranty will be void in any case of
unauthorized service by the user or other not authorized persons.
Protection from fire:
1. Take care of not placing the unit near sources of heat (e.g.
powerful amplifiers, fog machines).
2. Take always care of sufficient air convection in the unit’s
environment to avoid overheating, especially when mounting in a
closed environment. Make sure air convection slots – if any - are
not blocked. Do not operate this unit in environmental temperatures
exceeding 40 degrees Celsius.
3. Check the total maximum power of your AC wall outlet if you
connect several units to one wall outlet and avoid any overloading.
Protection from injury and damage:
1. Never use any accessories or modifications not authorized by the
manufacturer of this unit.
2. Choose a location for operation where the unit is protected from