
8 Front Panel Controls & Connections
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
1. CHANNEL A VOLUME - This control varies the
volume of audio on the “A” channel relative to audio
on the other audio input channels. The SRR60 “A”
channel receives a microphone set to CH 1.
2. CHANNEL A SIGNAL INDICATOR - This green
LED lights when a signal is being received from the
microphone set for channel 1.
3. CHANNEL A THREE BAND EQUALIZER - The
equalizer allows adjustment of the frequency re-
sponse of the channel “A” audio to best suit the
instructor’s voice characteristics. The “L” slider
adjusts the bass response, the “M” slider adjusts the
midrange response, and the “H” slider adjusts the
treble response. Each slider allows a plus or minus
10 dB adjustment of its particular frequency range.
4. CHANNEL B VOLUME - This control varies the
volume of audio on the “B” channel relative to audio
on the other audio input channels. The SRR60 “B”
channel receives a microphone set to CH 2.
5. CHANNEL B SIGNAL INDICATOR - This green
LED lights when a signal is being received from the
microphone set for channel 2.
6. CHANNEL B THREE BAND EQUALIZER - The
equalizer allows adjustment of the frequency re-
sponse of the channel “B” audio to best suit the
instructor’s voice characteristics. The “L” slider
adjusts the bass response, the “M” slider adjusts the
midrange response, and the “H” slider adjusts the
treble response. Each slider allows a plus or minus
10 dB adjustment of its particular frequency range.
7. AUX 1 VOLUME - This control varies the volume
of audio from the AUX 1 input relative to audio on
the other audio input channels.
8. AUX 2 VOLUME - This control varies the volume
of audio from the AUX 2 input relative to audio on
the other audio input channels.
9. AUX 1 & 2 THREE BAND EQUALIZER - The
equalizer allows adjustment of the frequency re-
sponse of the AUX 1 & AUX 2 audio to best suit the
instructor’s voice characteristics. The “L” slider
adjusts the bass response, the “M” slider adjusts the
midrange response, and the “H” slider adjusts the
treble response. Each slider allows a plus or minus
10 dB adjustment of its particular frequency range.
10. AUX 3 VOLUME - This control varies the
volume of audio from the AUX 3 input relative to
audio on the other audio input channels.
11. MASTER VOLUME - The master volume
control varies the volume of all audio inputs, keeping
them in the proportion set with the Channel A,
Channel B, and AUX 1, 2 and 3 volume controls.
12. AUX 1 INPUT - The AUX 1 input connectors
accept stereo audio input from such devices as CD
players, VCR/DVD players, computers, etc. These
are RCA Phono type connectors. The white connec-
tor is for the left input and the red one is for the right
input.
13. AUX 2 INPUT - The AUX 2 input connector is a
3.5 mm female audio connector and accepts monau-
ral audio input from external devices.
14. AUX OUTPUT LEVEL - This adjustment
controls the output level at the front panel LINE OUT
jack. The relative audio level of all of the audio
sources which were set by the other front panel
volume controls is maintained as this adjustment is
varied.
15. LINE OUTPUT - The line output jack is intended
to provide audio output for such devices as cassette
recorders, DVD recorders, computers, or assistive
listening transmitters. The audio level at this 3.5
mm female audio connector is governed by the AUX
OUTPUT LEVEL control described in 14 above.
16. POWER - The POWER switch turns the
receiver’s mains voltage supply on and off. When
power is turned on, the green LED on the switch is
illuminated.
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