Rotel QA 30 OM

Page 2

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PRECAUTIONS

I. Unpacking

After removing the amplifier from the carton, inspect for any exterior
damage to the unit. If damage is noted, notify the carrier at once so
that claim can bejustified. Save all packing materialithis is important
when the claim is processed

2. Ventilation

To offset heat generated by the unit, it is necessary to provide ample
ventilation around the unit. Avoid blocking or impeding the ventilation
holes on the unit. To prevent unnecessary problems, install the unit on
a place free from any vibrations, direct sunlight, humidity or dust
circulation.

3. If the unit gets wet or foreign matter enters

In case the unit gets wet or any water or foreign matter gets into the
cabinet, immediately disconnect the ac. line cord, and consult your
dealer or qualified electrician.

SWITCHES, CONTROLS AND OPERATION

(1) Power Switch
Switches the unit on or off. The LED Lamp will light up when power

is On.
(2) Bass Tone Control

Regulates low frequency response of music or signal from Program/Aux
input,

(3) Treble Tone Control
Regulates high frequency response of music or signal from Program/Aux
input.

(4) Program/Aux Level Control
Regulates the volume level of music or signal from Program/Aux input.

(5) Mic 2/Tel Level Control

Regulates the volume level of microphone (MIC 2 input) or Telephone
page [TEL PAGE input), depending on the input selected by MIC/TEL
selector switch on the rear panel.

(6) Mic 1 Level Control
Regulates the volume level of Microphone connected to MIC 1 input

(7) Mic 1 Input Terminal
Connect a Low impedance microphone (250 ohms) as shown on Figure
2,

O MICROPHONE INPUT TERMINAL CONNECTION

V BALANCED TYPE,

LOW IMPEDANCE (250(2)
Length of shielded cord:
MIC1 MICZ 200 feet (60 meters) maximum

®

LMIC1J 1 I-MICZJ

UNBALANCED TYPE,

LOW IMPEDANCE (250(1)
Length of shielded cord:
MIC1 MICZ 60 feet (18 meters) maximum

Figure 2.

(8) Mic ZlTel Input Terminal

Connect a low impedance microphone (250 ohms) as show on Figure
2. Or, connect a telephone page unit, depending on the input selected
by MIC/TEL selector switch.

(9) Mute Terminal _
Connect wires from push-to-talk microphone or from telephone system
to mute music or signal from Program/Aux input when talking.

(10) Program/Aux Input Terminal

Connect an auxiliary equipment such as tape player to the RCA type
pin plug. Or, connect a 600 ohm input such as BGM source to the balanc-
ed 600 ohm screw terminal.

(11) Speaker Terminal

Connect a to 16 ohms speaker to HOT and GD. Or, connect speakers
with 25 volt line transformer to 25V and COM, and speakers with 70
volt line transformerto 70V and COM.

IMPORTANT: ENSURE HOT AND TR ARE STRAPPED WITH JUMPER
WIRE WHEN USING 25V AND 70V. (FIGURE 3)

(12) Overload Protection

If overload occurs due to mismatched speaker impedance, etc. remove
the cause of the overload and push the circuit breaker button to reset
power to the unit.

(13) Mic 2/Tel Selector Switch
Select TEL position if the telephone page system is to be used, or select
MIC position if the microphone 2 is to be used.

SPEAKER ;
8~16A

GND HOT TR COM 25V 70V
'1 n "

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Figure 3 To Speakers

.-...->

Jumper Wire

25V/70VOUTPUT CONNECTION