CALIBRATION / EQUALIZATION
27
Jumpers are appropriately labeled on the PC board. Refer to the parts location diagram for help in
locating them. Also refer to the Assembly and Disassembly section for information on obtaining ac-
cess to the interior of the TNC.
KAM
Jumper K1
VHF-Equalization – This jumper is provided to alter the equalization characteristics of the VHF mo-
dem. The
KAM
is shipped with the jumper placed on ONLY ONE of the posts effectively "OFF" so
that full equalization is in effect. With no jumper installed on the 3-pin header, full equalization is in
effect. With the jumper connecting the center post and the post marked 1, there is no equaliza-
tion. With the jumper connecting the center post and post marked 2, partial equalization is in ef-
fect. testing has shown, that most VHF transceivers require that the input audio signal de fully
equalized for best performance. Should you wish to operate the
KAM
in a hard wire Packet line, no
equalization should be in effect.
KPC-4
Jumpers K1 (Port 1) and K2 (Port 2)
Equalization – These jumpers are provided to alter the equalization characteristics of the modems.
The
KPC-4
is shipped with the jumper placed on ONLY ONE of the posts, effectively "OFF", so that
full equalization is in effect. With no jumper installed on the 3-pin header, full equalization is in ef-
fect. With the jumper connecting the center post and the post marked 1, there is no equalization.
With the jumper connecting the center post and the post marked 2, partial equalization is in effect.
testing has shown that most VHF/UHF transceivers require that the input audio by fully equalized
for best performance. Should you wish to operate the
KPC-4
in a hard wire Packet line, no equal-
ization should be in effect.
Содержание KAM
Страница 7: ...BACK PANELS 3 Back Panels KAM KPC 4 KPC 2 KPC 2400 KPC 1...
Страница 43: ...39 KAM COMPONENT PLACEMENT DIAGRAM...
Страница 44: ...40 KAM SCHEMATIC...
Страница 45: ...41...
Страница 47: ...43 KPC 4 COMPONENT PLACEMENT DIAGRAM...
Страница 48: ...44 KPC 4 SCHEMATIC...
Страница 50: ...46 KPC 2 COMPONENT PLACEMENT DIAGRAM...
Страница 51: ...47 KPC 2 SCHEMATIC...
Страница 53: ...49 KPC 2400 COMPONENT PLACEMENT DIAGRAM...
Страница 54: ...50 KPC 2400 SCHEMATIC...