3
OPERATION
It is recommended that the crossover is turned on first, followed by the power amplifiers
individually.
The crossover will perform best after about half an hour of warm-up. It will run slightly warm to the
touch. The running temperature is independent of programme material or level.
As with all electronic equipment do not expose the AKTIV to strong direct, or radiated, heat.
GENERAL INFORMATION & MAINTENANCE
The crossover can be left switched on continuously if required. Its power consumption is very
low. We recommend that you switch off the power amplifiers when not in use.
The case of the AKTIV can be wiped with a damp cloth to remove dust and finger marks.
The only maintenance suggested is occasionally to unplug then re-connect all the connectors. This
wiping action cleans the contacts.
FAULT FINDING
The most likely time for faults or errors to occur is during installation and these will normally be
rectified by the dealer. Faults can be isolated by determining which channel (left or right) and which
frequency band is wrong. Remember that the LK2 power amplifiers have a protection trip, which
will shut down an overloaded channel. To reset the amplifier, switch the power off for five minutes.
If a power indicator light is not visible on the AKTIV check: the mains cable is plugged into the
back securely, the mains fuse in the plug (if fitted) and the mains fuse in the power inlet on the
back of the AKTIV are intact.
To check the mains fuse in the power inlet remove the power cord then using a small flat blade
screwdriver flick the fuse holder drawer out of the power inlet unit. Check the fuse. If it is blown,
replace it with an identical one.
The importance of double checking all signal and speaker connections before switching on cannot
be over emphasised.
