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18 WMS420
Table of Contents
1 Safety and the environment..................................................................................... 19
Safety ........................................................................................................................ 19
Environment .............................................................................................................. 19
2 Description ............................................................................................................... 20
Introduction ............................................................................................................... 20
Scope of delivery ........................................................................................................ 20
Optional Accessories .................................................................................................. 20
Receiver SR420 ......................................................................................................... 21
HT420 handheld transmitter ....................................................................................... 23
PT420 pocket transmitter ........................................................................................... 24
3 Setting up ................................................................................................................ 26
Positioning the receiver .............................................................................................. 26
Connecting Antennas ................................................................................................. 26
Connecting the receiver to a balanced input ................................................................. 26
Connecting the receiver to power ................................................................................ 26
Inserting and testing batteries in the handheld/pocket transmitters ................................ 27
Setting the frequency on the receiver .......................................................................... 27
Setting the frequency on the handheld/pocket transmitter ............................................. 27
Setting up the handheld transmitter ............................................................................. 27
Setting up the pocket transmitter ................................................................................ 27
Before the soundcheck ............................................................................................... 28
4 Microphone technique ............................................................................................. 29
HT420 handheld transmitter ....................................................................................... 29
PT420 pocket transmitter ........................................................................................... 30
5 Cleaning ................................................................................................................... 31
Surfaces .................................................................................................................... 31
Internal windshield of handheld transmitter .................................................................. 31
6 Troubleshooting ....................................................................................................... 32
7 Technical data ......................................................................................................... 33
Only for frequency bands designed for use in the USA:
FCC Statement
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Parts 74
and 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and the receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
Shielded cables and I/O cords must be used for this equipment to comply with the relevant FCC regulations. Changes
or modifications not expressly approved in writing by AKG Acoustics may void the user’s authority to operate this
equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this
device may not cause harmful interference, and (2) this device must accept any interference received, including
interference that may cause undesired operation.
Table of Contents
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