Standard Horizon Eclipes DSC GX1000S, Руководство по обслуживанию

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12
Alignment
Software Alignment/Confirmation Mode
Overview of Software Alignment Mode
The “Software Alignment Mode” has been build in the
microprocessor in order to adjust and confirm the perfor-
mance of transceiver.
The purpose is to adjust transceiver simply and to con-
firm the performance of transceiver smoothly.
Starting Software Alignment Mode
ˆ
Set the channel to CH16, then turn the
VOL
knob
counter clockwise to turn off the radio.
ˆ
Short the TEST points (
JP1001
).
ˆ
Setup the test equipment as shown below.
ˆ
Press the [
SCAN
(
MEM
)] key to re-
call the Alignment Item “SBxxx”.
ˆ
Set the RF Signal Generator output
to 156.525 MHz, at a level of –4dB
μ ,
±3.0 kHz deviation with a 1 kHz audio tone.
ˆ
Press the [
WX
] key.
ˆ
Press the [
CALL
(
SET
)
MENU
] key to save the new set-
ting.
ˆ
Press the [
SCAN
] key to recall the
Alignment Item “VTxxx”.
ˆ
Press the [
WX
] key.
ˆ
Press the [
CALL
(
SET
)
MENU
] key to
save the new setting.
This completes the Software Alignment Mode. To save
all settings and exit, press and hold the [
DISTRESS
] key
for one second. Turn the transceiver’s power off, then dis-
connect the Jumper from the TEST points (JP1001).
RF Signal
Generator
ANT
GX1000S
ˆ
Turn the
VOL
knob clockwise to turn on the radio
while press and holding the
[
CALL
(
SET
)
MENU
] and [
DIS-
TRESS
] keys. The LCD will be as
shown in the illustration at the right.
ˆ
Press the [
SCAN
(
MEM
)] key to re-
call the Alignment Item “THxxx”.
ˆ
Set the RF Signal Generator output
to 156.800 MHz, at a level of –9dB
μ ,
±3.0 kHz deviation with a 1 kHz audio tone.
ˆ
Press the [
WX
] key.
ˆ
Press the [
CALL
(
SET
)
MENU
] key to save the new set-
ting.
ˆ
Press the [
SCAN
(
MEM
)] key to re-
call the Alignment Item “TIxxx”.
ˆ
Set the RF Signal Generator output
to 156.800 MHz, at a level of +3dB
μ ,
±3.0 kHz deviation with a 1 kHz audio tone.
ˆ
Press the [
WX
] key.
ˆ
Press the [
CALL
(
SET
)
MENU
] key to save the new set-
ting.