Rolls RS81B Users Manual

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SERIAL NUMBER

LINE LEVEL XLR OUTPUTS

RS81B

Quartz PLL Synthesized AM/FM RDS Tuner

AM

LOOP ANT

FM ANT

75

L

R

OUTPUT

RIGHT LEFT

MODEL RS81B
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WARNING: DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE.

RISQUE DE CHOC - NE PAS ENLIVE R

FUSE T1A 250V

DC 24V

HEADPHONE

HEADPHONE

OUTPUT

CAUTION: TO REDUCE THE RISK OF ELECTRIC

SHOCK DO NOT REMOVE COVER (OR BACK). NO
USER SERVICEABLE PARTS INSIDE. REFER
SERVICING TO QUALIFIED SERVICE PERSONNEL.

CAUTION

RISK OF ELECTRIC

SHOCK DO NOT OPEN

MADE IN TAIWAN

DIRECT

TUNING

M3 / 3

M4 / 4

M1 / 1

M2 / 2

M6 / 6 M7 / 7

M8 / 8 M9 / 9 M10 / 10

M5 / 5

0

TA PTY MO / ST MEM. UP

BAND

DISP AF MEMORY SLEEP DN UP

+

_

POWER INPUT
110-120V 60Hz 45W
220-240V 50Hz 45W

SIGNAL
STRENGHT

RS81B Quartz PLL Synthesized AM/FM Tuner.

Specs:

FM SECTION
Tuning Range: 87.5-108MHz
3 dB Limiting: 12dB
Image Rejection: 53dB
Usable sensitivity mono IHF: 9dB
Selectivity: (-70KHz : +90KHz)
S/N Ratio at 1 mV Mono: 52dB
Stereo: 50dB
THD at 1 mV 40 kHz deviation: 0.18%
Stereo Separation: 28dB
Auto Scan Sensitivity: 23dB
AM Suppression Mod: 52dB
Antenna Input Impedance: 75 Ohms
AM SECTION
Tuning Range: 530 - 1710 kHz (10 kHz increm.)
522 - 1611 kHz (9 kHz increm.)
IF Frequency: 450KHz
Usable Sensitivity: 28dB
Auto Scan Sensitivity: 41dB
S/N Ratio at 5 mV/M: 46dB
6 dB Bandwidth: 7KHz
Image Rejection: 42dB
A.C.A. +/- 9 kHz: 46dB
AGC Action: 43dB

ROLLS CORPORATION
SALT LAKE CITY, UTAH

10/15

THD at 5mV/M: 0.40%
Antenna Input Impedance: 300 Ohms
Size: 19” x 1.75” x 7”
(48.3 x 4.5 x 12 cm)
Weight: 7.1 lbs. (3.2 kg)

Quick Start Guide

FRONT PANEL DESCRIPTION

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RS81B

Quartz PLL Synthesized AM/FM RDS Tuner

HEADPHONE

HEADPHONE

OUTPUT

DIRECT

TUNING

M3 / 3

M4 / 4

M1 / 1

M2 / 2

M6 / 6 M7 / 7

M8 / 8 M9 / 9 M10 / 10

M5 / 5

0

TA PTY MO / ST MEM. UP

BAND

DISP AF MEMORY SLEEP DN UP

SIGNAL
STRENGHT

- MEM. UP: Increments up Presets. If the tuner is stepped beyond the
highest number preset stored, it will “wrap around” and step back to the
lowest numbered preset.

- BAND: Switch for AM or FM (FM 1 / FM 2 / AM)

- Tuning + / - : Increases or Decreases the tuner frequency each time it is
pressed. Press in for 2 seconds for automatic scan searching. After a sta­tion is received, it will stop automatically and start to play.

- MO/ST: Selects between Stereo and Mono operation (FM mode only).

- DISP: Displays the current RDS information (if available) from the cur­rent station.

-DIRECT: Press to directly select a radio frequency. For example, to di­rectly select station107.7, simply press “DIRECT” + number “1077”.

-Headphone Level: Adjusts the signal level of the Headphone Out.

-Headphone Out: 1/8” Tip-Ring-Sleeve stereo jack for connection to ste­reo headphones. The use of MONO jacks will permanently damage the
RS81B. Make sure you are using a stereo jack.

-Power Switch: Applies power to the RS81B.

- SIGNAL STRENGTH: This is a general signal strength meter. It is not cali­brated to a specic level. It will indicate the general strength of a signal
coming into the RS81B.

Radio Memory Function

-The 30 Radio presets are in 3 sections: FM 1 x 10 / FM 2 x 10 / AM x 10

-First select the channel which wants to be stored

-Press “ MEMORY “

-Press “1 ~ 10” To select the channel number for preset memory.

-Press “ MEMORY “ again to conrm the memory. LCD shows “CH1 ~ 10”.

-Repeat above steps to store more channels. Up to 10 channels can be
stored per section.

REMOTE

Remote Operation:

The included Infrared Remote provides a way to control the RS81B at a
distance from the unit. It must be located in the “line-of-sight”.

Remote Description:

-BAND: Switch for AM or FM

-Press “ BAND ” to select FM 1,FM 2, or AM frequencies.

-Press “TUN+ / TUN-” to select stations. Press and hold for over 2 seconds
enters into automatic scan searching. After a station is received, it will
stop automatically and start to play the station.

-DIRECT: Press to directly select a radio frequency. For example, to di­rectly select station107.7, simply press “DIRECT” + number “1077”.

-Remote buttons work the same as front panel buttons, refer to the sec­tion of the manual with the description of the front panel.