Standard Horizon VLH-3000, Owner'S Manual

Page: 7 / 24

VLH-3000 Page 7
1. Use the supplied Power Cord assembly for power connection. Connect
the red wire to the “Positive (+)” terminal, and the black wire to the “Nega-
tive (–)” terminal of the power source.
CAUTION
Reverse polarity connections will damage the VLH-3000
2. Use #22 AWG (or larger) stranded, plastic-jacketed wire to connect the
PA Horns (“ FWD ” and “ AFT ” terminals) and Intercom Speakers (“ IC1 ”
and “ IC2 ” terminals).
3. An external 4-Ohm 6 W speaker may be connected (“ EXT SP ” terminal),
if desired.
4. For the PA Horn, it is recommended that a 4-Ohm 30 W horn speaker be
used. Also note that an 8-Ohm speaker may be used, but the loudness
will be reduced.
5. The VLH-3000 can use the optional MLS-300i Intercom Speaker. This is
connected to any of the Intercom terminals (“ IC1 ” or “ IC2 ”).
6. See Detail “A” in Figure 2, If a 2-wire speaker (such as a MLS-300 Exter-
nal Speaker) is connected to the Intercom terminals (“ IC1 ” or “ IC2 ”), the
positive wire should be connected to the center terminal and negative
wire should be connected to the left-hand terminal.
Do not connect the
any wire to the right-hand terminal! If you connect one of the wires of
a 2-wire speaker to a right-hand terminal, the speaker will beep continu-
ously when turned on.
7. Put the supplied Protection Cover to the terminals to avoid a short cir-
cuit.