Rotel RT-830 - Page 4

OPERATION
e Before commencing operation, check to
make sure all antenna, amplifier and power con-
nections are properly made.
1. Set the volume control on the amplifier
to minimum position, and amplifier function
switch to TUNER position (or to AUX position
if the tuner is connected to AUX terminal).
2. Turn on the amplifier and press the
Power button on the tuner.
3. Depress FM or AM button of the tuner
function selector.
On RT-830L, select among FM, MW, and LW
buttons.
4. Tune in to the desired station by means
of tuning knob.
5. Raise the volume to the desired level,
and enjoy listening.
HUM AND NOISE
Hum often accompanies activation of power
supply. If hum is generated, try replugging the
power cord into the wall outlet, reversing the
plug this time. Other possible causes of hum
include improper routing of connecting cords
(try changing cord position), or incorrect
pin-plug insertion. Check all connections if
hum persists.
If noise is introduced, it is usually caused
by improper positioning of antenna cable or
improper antenna installation. Use a 75-ohm
cable for outdoor FM antenna and minimize
multipath to obtain optimal signal reception.
Note that during signal reception the unit may
pick up noise from other household electric
appliances (as when switching power on or off).
In that case, check the relative location of the
appliances and keep them away from the unit,
or vice versa, as necessary.
Note 1: In a location near a broadcasting
station, very strong signals may cause noise or
distortion, depending on the type of antenna
used. In that case, install an attenuator between
the antenna and the tuner.
Note 2: Inside a concrete building, FM signals
are weakened and satisfactory reception may be
difficult. An outdoor FM antenna will best
remedy such a situation.
VOLTAGE SELECTION
Not available for U.K., Canada and Scandinavia
The unit is a variable voltage equipment that
can run on 120V, 220V or 240V power supply.
Your unit should already be preset at the
proper voltage for use in your area. However, if
you move to an area where the power supply
voltage is different, consult your dealer.
SPECIFICATIONS
FM TUNER SECTION
Usable Sensitivity (mono) . .
50 dB Quieting Sensitivity:
. - -10.8 dBf/1.9 4 V (300 ohms)
MONS rea demise PUE 16 dBf/3.5 uV
Süireb. iu sum Dae S 39.4 dBf/50 uV
Signal-to-Noise Ratio (at 65 dBf} :
MONG... <:.. oerte d 80 dB
SIBTEO 25 xoxo: pud d 73 dB
Harmonic Distortion (at 65 dBf}:
TRMELAS FERVIPess HG 0.08% (mono), 0,3% (stereo)
Frequency Response........ 35 to 15,000 Hz, *1.5 dB, —1.5 dB
Captura'Retias oco apa 4 1.5 dB.
Alternate Channel Selectivity
(EROT KHa) foie leu 60 dB
Spurious Response Ratio. .... . 85 dB
Image Response Ratio. ...... 55 dB
IF Response Ratio ......... 90 dB
AM Suppression Ratio. ..... 3 55 dB
Stereo Separation.......... 100 Hz/1 kHz/10 kHz,
36 dB/40 dB/32 dB
Subcarrier Product Ratio. . . . . 65 dB
.300 ohms balanced,
75 ohms unbalanced
Antenna Input...........
AM TUNER SECTION MW LW (RT-830L)
Sansitivitvss «i» cus REE e 350 u V /m 750 uV/m
Selectivity i. 4 c eR ns 35 dB 35 dB
Signal-to-Noise Ratio........ 60 dB 60 dB
Image Response Ratio ....... 40 dB 40 dB
IF Response Ratio ......... 40 dB 40dB
Afitenna ca Ca aX epi Ras Eug Loop antenna
MISCELLANEOUS
Power Requirement......... 120V/60 Hz, 220V/50 Hz, 240V/50 Hz
or 120, 220, 240V/50-60 Hz
(depending on destinations)
Power Consumption ........- 10 watts
Dimensions (overall) ........ 430 (W) x 66 (H) x 285 (D) mm
16-15/16" x 2-19/32" x 11-7/32"
Weight (net)... .... sess 3.1 kg/6.82 Ibs.
e Specifications and design subject to possible modification withou
notice.