Heathkit HD-1234 Assembly Manual page 14

Page 12
@ $ b = * * - - 4 * 5 - - 3
OPERATION
Refer to Schematic Diagram, Figure 4.
ROTARY SWITCH
m
REAR WAFER , F R O N T WAFER
I
When the switch knob
i s
rotated to either the
@
or the
@
positions, all
output connectors are grounded except the C connector. WARNING: DO NOT
OPERATE THE TRANSMITTER INTO THE COAXIAL SWITCH WHEN THE
POINTER IS A T THE
@
OR THE
@
POSITION. When the Switch is in
either of these positions, the transmitter is connected to an open circuit.
I
t
I
I
Figure 4