12
Before Alignment
Install the HX851 Alignment Program to your com-
puter.
Set up the test equipment as shown below, and set
the DC Power Supply voltage to 8.0 V.
Execute the HX851 Alignment Program.
Select the COM port number which is connected to
the HX851 Alignment Jig.
Press and hold in the [
DISTRESS
] key and
[
CALL
(
ENT
)
MENU
] key while
turning the transceiver on to en-
ter the Alignment Mode.
Click the left mouse button on
the [
Connect
] button of the HX851 Alignment Pro-
gram.
Alignment
00: PLL Reference Frequency
Click the left mouse button on the [
00: M Ref
] but-
ton. The transceiver now is in the PLL Reference Fre-
quency Alignment Mode.
Click the left mouse button on the [
PTT On
] button.
Click the [
] / [
] button (or Move the Slide Bar), if
necessary, until the frequency Counter displays
transmit frequency ±100 Hz.
Click the left mouse button on the [
PTT Off
] button,
then click the left mouse button on the [
00: M Ref
]
button to exit the PLL Reference Frequency Align-
ment Mode.
RF Signal
Generator
Regulated
Power Supply
Brown
Blue
Green
Serial Port
Serial Out
Serial In
GND
MIC GND
GND
Serial In
Serial Out
RF Sampling
Coupler
Inline
Wattmeter
50
Dummy Load
Frequency
Counter
( ) :
( ) :
RED
BLACK
AF Signal
Generator
Содержание HX851
Страница 1: ...1 SERVICE MANUAL Floating Marine Transceiver with GPS HX851 EM031N95C 16 9...
Страница 4: ...4 Exploded View Miscellaneous Parts Note...
Страница 5: ...5 Block Diagram...
Страница 6: ...6 Block Diagram Note...
Страница 10: ...10 Circuit Description Note...
Страница 18: ...18 MAIN Unit Note...