DRAKE R8A - Getting Started; GENERAL OPERATING INFORMATION; MICROPROCESSOR RESET; AUTO MODE, and the Default BANDWIDTH;STEP;AGC Settings

15
Getting Started
DRAKE FA Communications Receiver
(SCAN)
MEM SEEK
UsT TIME rae
TUNE
A-B CARR
vro A) B® aac (B) (F)
AaB
Pocus | (NOTCH)
SQUELCH
aga
NB (NW)
| ame) |
MHz ‘®W) (Moe)
AUTO AM SYNC
kHz =o ao nd usB
CW FM
“aa RITY
12 ON OFF
TIMER CLK/FREQ
step |
(LOCK)
NOTCH TONE PASSBAND OFFSET RF GAIN VOLUME
CENTERED CENTERED COUNTER-CLOCKWISE CENTERED CLOCKWISE COUNTER-CLOCKWISE
FIGURE 8
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 alll
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:
] short tone for any button depression.
1] long, high tone when programming in memory mode.
] long, low tone for any illegal button depression,
GETTING STARTED
]. Please refer to FIGURE 8 and adjust controls as shown.
2. Press the —— (DOwer) 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
Ifthe AUTO modeisselected, 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. Amemory 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 to set frequency
entry units.
8. Press the CLK/FREQ button as required, to display
frequency. Use the numeric keypad to enter frequency,
tuning buttons to rapidly tune near a frequency, then fine
tune with the tuning knob,
in MHz or kHz, as indicated, directly or use the | or
L__J
FREQUENCY STEP SELECTION
TUNING WHEEL STEPS
The receiver can be programmed to tune in three differ-
ent resolutions (steps) with the corresponding display
readout,