Standard Horizon VLH-3000 Owner's Manual 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.
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.
VLH-3000
CAUTION
Page 7