DRAKE R8B Owner's Manual download pdf (Page 17)

BW

AUTO

6.0 4.0

2.3 1.8

0.5

MODE

AM SYNC

LSB USB

CW FM

RTTY

SCAN

MEM

LIST

A-B

SEEK

TIME

CARR

MEM

TUNE

VFO A = B

A = B

PRE ATTN

ANT 1 2 VHF

 

AGC S F

NOTCH

NB N W

NAME



12 ON OFF

TIMER

STEP

CLK/FREQ

LOCK

TUNE

SCAN

NOTCH TONE

SCAN

MEM

6.0

4.0

AM/

SYNC

2.3

1.8 LSB USB

0.5

AUTO CW RTTY

BANDWIDTH

MODE

LIST

A - B

SEEK

TIME

CARR

CLK

LAMP

BEEP

DEL

V M

M V

SQUELCH

PASSBAND

OFFSET

VOL RF

MIN

0

R8A Communications Receiver

1 3 5 7 9 20 40 60

S UNITS DECIBLES

SIGNAL

M/KHz

MEM

CLR

kHz

MHz

15 Getting Started

TONE

CENTERED

NOTCH

CENTERED

VOLUME

COUNTER-CLOCKWISE

FIGURE 8

SQUELCH

COUNTER-CLOCKWISE

PASSBAND OFFSET

CENTERED

RF GAIN

CLOCKWISE

GENERAL OPERATING INFORMATION

This receiver is easy to use. Please take a few moments to

read through this section and familarize yourself with

general operating information.

MICROPROCESSOR RESET

A power-up reset is activated each time the unit is

connected to an AC or DC power source. This may be

confirmed by the front panel display illuminating all

annunciators for 3 seconds, followed by the clock display.

If, for any reason, the receiver display or operation

becomes confused or a ‘PWRFAIL’ message is displayed,

unplug the receiver from the power source and

reconnect. Normal operations of the receiver are halted

in the ‘PWRFAIL’ mode. Note: Any programmed memory

locations will NOT be lost under a power-up reset or under

a ‘PWRFAIL’ mode due to the memory design of the

receiver.

BEEP TONES

The receiver responds to all button depressions with an

audible beep. They are as follows:

1 short tone for any button depression.

1 long, high tone when programming in memory mode.

1 long, low tone for any illegal button depression.

GETTING STARTED

1. Please refer to FIGURE 8 and adjust controls as shown.

2. Press the (power) button.

3. Press VFO button to select VFO A.

4. Press

button followed by the ANT button to select

desired antenna input.

5. Press one of the MODE buttons to select the desired

mode of reception. Press the AUTO (bandwidth) button

for automatic bandwidth selection with mode change or

press one of the BANDWIDTH buttons to select the desired

IF Bandwidth.

AUTO MODE, and the Default BANDWIDTH/STEP/AGC Set-

tings

If the AUTO mode is selected, the default Bandwidth, Step

and AGC setting are automatically recalled when the

mode is changed. These defaults are user program-

mable. To set the default, turn AUTO off (press the AUTO

button until AUTO is extinguished in the display area). Set

the Bandwidth, Step and AGC as desired for the defaults.

Press and hold the corresponding MODE button for which

the defaults are being set. A memory beep will indicate

that the defaults have been stored. Repeat the above

procedure for all modes that are to be programmed.

Once the defaults are programmed, and the AUTO mode

is selected, changing modes will recall the user pro-

grammed BANDWIDTH, STEP and AGC settings.

6. Check that 'SPEAKER' switch on rear panel is on desired

setting.

7. Adjust VOLUME (VOL) control for desired level.

Adjust SQUELCH control fully counterclockwise. Adjust RF

GAIN control fully clockwise.

Press the

button followed by

M V

M/KHz

to set frequency

entry units.

8. Press the CLK/FREQ button as required, to display

frequency. Use the numeric keypad to enter frequency,

in MHz or kHz, as indicated, directly or use the

tuning buttons to rapidly tune near a frequency, then fine

tune with the tuning knob.

FREQUENCY STEP SELECTION

TUNING WHEEL STEPS

The receiver can be programmed to tune in three differ-

ent resolutions (steps) with the corresponding display

readout.

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 42 43

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DRAKE R8B Owner's Manual Page 17

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