Standard Horizon Eclipes DSC GX1000S, Руководство по обслуживанию

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10
Alignment
Main Reference Frequency Adjustment
ˆ
Setup the test equipment as shown below.
MAIN UNIT A
LIGNMENT
P
OINT
ˆ
Set the channel to CH16.
ˆ
Use the [
H/L
] key to set the transceiver to “LOW”
power.
ˆ
With the
PTT
switch pressed, adjust
TC1001
so that the
Frequency Counter reading is 156.800 MHz ±100 Hz.
Transmit Power Adjustment
ˆ
Setup the test equipment as shown below.
ˆ
Set the channel to CH16.
ˆ
Use the [
H/L
] key to set the transceiver to “HI” power.
ˆ
With the
PTT
switch pressed, adjust
VR1001
so that
RF output power is 24 W ±0.3 W.
ˆ
Release the
PTT
switch, then set the transceiver to
“LOW” power by the [
H/L
] key.
ˆ
With the
PTT
switch pressed, adjust
VR1002
so that
RF output power is 0.8 W ±0.1 W.
ˆ
Release the
PTT
switch.
VR1003
JP1001
TC1001
TP1008
L1010
VR1001
VR1002
GX1000S
Frequency
Counter
50-ohm
Dummy Load
Sampling
Coupler
ANT
50-ohm
Dummy Load
ANT
Inline
Wattmeter
GX1000S
L1012
L1022
L1027
L1022