FCC Statement
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 74 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
HT 40 PRO/FLEXX
15
Page
FCC Statement..............................................................................................................................15
1 Safety and Environment...........................................................................................................16
1.1 Safety.................................................................................................................................16
1.2 Environment........................................................................................................................16
2 Description...............................................................................................................................17
2.1 Introduction.........................................................................................................................17
2.2 Packing Lists.......................................................................................................................17
2.3 Optional Accessories............................................................................................................17
2.4 HT 40 PRO Handheld Transmitter ..........................................................................................17
2.4.1 Controls .....................................................................................................................17
2.5 HT 40 FLEXX Handheld Transmitter .......................................................................................18
2.5.1 Controls .....................................................................................................................18
3 Setting Up ................................................................................................................................28
3.1 Inserting and Testing Batteries (HT 40 PRO and HT 40 FLEXX)..................................................19
3.2 Setting Up the HT 40 PRO.....................................................................................................19
3.3 Setting Up the HT 40 FLEXX..................................................................................................20
3.4 Replacing the Color Code Clip (HT 40 PRO and HT 40 FLEXX) ..................................................20
3.5 Before the Soundcheck (HT 40 PRO and HT 40 FLEXX)............................................................20
3.6 Multichannel Systems (HT 40 FLEXX + SR 40 FLEXX) .............................................................20
3.7 Changing Carrier Frequencies...............................................................................................21
4 Microphone Technique.............................................................................................................22
4.1 Introduction.........................................................................................................................22
4.2 Working Distance and Proximity Effect...................................................................................22
4.3 Angle of Incidence ...............................................................................................................22
4.4 Feedback............................................................................................................................22
4.5 Backing Vocals ....................................................................................................................23
5 Cleaning...................................................................................................................................23
5.1 Surfaces .............................................................................................................................23
5.2 Internal Windscreen (HT 40 PRO and HT 40 FLEXX).................................................................23
6 Troubleshooting.......................................................................................................................24
7 Specifications ..........................................................................................................................25
Fig. 8 ..........................................................................................................................................74