00030198.DOC, Version 1.1
18/19
Unbalanced use of
mono 1/4" jack plugs
Tip =
Signal (+)
Sleeve =
Ground / Shield
Tip
Sleeve
Strain relief clamp
Balanced use of
Tip =
hot (+)
Sleeve =
Ground / Shield
Tip
Sleeve
Strain relief clamp
stereo 1/4" jack plugs
Ring =
cold (-)
Ring
For connection of balanced and
unbalanced plugs, ring and sleeve have
to be bridged at the stereo plug.
6.6 Audio connections
7. OPERATION
1. Prior to switching on turn all controls LEVEL to position “0“ to avoid damage to the hearing by a volume
which is too high when switching on.
2. Switch the device on via the power switch. The power indicator on the front panel lights up. Switch on
the connected units; always switch on your PA amplifier last.
7.1 Basic setting of the input channels
1. Set to Master level control to mid position.
2. Adjust the desired volume ratio with the Level controls. Adjust the channel TONE controls for the desired
balance of lows and highs. The center setting is neutral.
3. Re-adjust the MASTER LEVEL control to the definitive level of the master signal.
8. CLEANING AND MAINTENANCE
Disconnect from mains before starting maintenance operation!
DANGER TO LIFE!
We recommend a frequent cleaning of the device. Please use a soft lint-free and moistened cloth. Never use
alcohol or solvents!
There are no serviceable parts inside the device except for the fuse. Maintenance and service operations are
only to be carried out by authorized dealers.
8.1 Replacing the fuse
If the fine-wire fuse of the device fuses, only replace the fuse by a fuse of same type and rating.
Before replacing the fuse, unplug mains lead.
Procedure:
Step 1:
Open the fuseholder on the rear panel with a fitting screwdriver.
Step 2:
Remove the old fuse from the fuseholder.
Step 3:
Install the new fuse in the fuseholder.
Step 4:
Replace the fuseholder in the housing.