20
Alignment
Alignment Sequence
Although the data displayed on the computer’s
screen during alignment is temporary data, it is im-
portant that you follow the basic alignment sequence
precisely, so that the displayed data and the data
loaded into the transceiver are identical.
Basic Alignment Sequence
1. Enter the alignment mode
2. Upload data from transceiver
3. Align data
4. Download data to transceiver
Alignment Tool Menu
Common Data
The parameters in this section represent "common"
data for all channels. Once these "Common Data"
parameters are correctly aligned, the "T
X
P
OWER
,"
"M
AX
D
EV
," and "S
UB
A
UDIO
D
EV
," can be trimmed for
each channel, if needed.
During alignment, each parameter is adjusted for a
higher or lower value via the computer’s [
S
] and
[
T
] keys. When the desired value is reached, type
[
ENTER
] to lock in the new value.
(0) Common Tx :
The first alignment section adjusts transmit-mode
parameters which are common to all channels.
- [0] F
REQUENCY
This parameter is used to adjust the PLL refer-
ence frequency. From the "
(0) Common Tx
" sec-
tion, press [
0
] to activate this alignment section.
• Press the [
space
] key on the keyboard to acti-
vate the transmitter.
• Press the [
S
] or [
T
] key, as need, so the counter
frequency is with in 100 Hz of the channel cen-
ter frequency for the MID channel.
• When the frequency is attained, press [
ENTER
]
to lock in the new data.
• Now verify that the HIGH and LOW channels
are also with in tolerance.
- [1] H
IGH
This parameter is used to align Tx High power
(5W). From the "
(0) Common Tx
" section, press
[
1
] to activate this alignment section.
• Use the [
W
] or [
X
] key to select the "
MID
" fre-
quency channel in the alignment range.
• Press the [
space
] key on the keyboard to acti-
vate the transmitter.
• Press the [
S
] or [
T
] key, as need, to set the
power output to 5.1 W ±0.1 W, as indicated on
the external wattmeter.
• When the 5 Watt level is attained, press [
EN-
TER
] to lock in the new data.
- [2] L3
This parameter aligns the L3 power (2.5 W) lev-
el. From the "
(0) Common Tx
" section, press [
4
]
to activate this alignment section.
• Press the [
space
] key on the keyboard to acti-
vate the transmitter.
• Press the [
S
] or [
T
] key, as needed, to set the
power output to 2.5 W ± 0.2 W, as indicated on
the external wattmeter.
• When the 2.5 W level is attained, press [
EN-
TER
] to lock in the new data.
- [3] L2
This parameter aligns the L2 power (1 W) level.
From the "
(0) Common Tx
" section, press [
3
] to
activate this alignment section.
• Press the [
space
] key on the keyboard to acti-
vate the transmitter.
• Press the [
S
] or [
T
] key, as needed, to set the
power output to 1 W ± 0.2 W, as indicated on
the external wattmeter.
• When the 1 Watt level is attained, press [
EN-
TER
] to lock in the new data.
- [4] L1
This parameter aligns the L1 power (0.25 W) lev-
el. From the "
(0) Common Tx
" section, press [
2
]
to activate this alignment section.
• Press the [
space
] key on the keyboard to acti-
vate the transmitter.
• Press the [
S
] or [
T
] key, as needed, to set the
power output to 0.25 W ± 0.04 W, as indicated
on the external wattmeter.
• When the 0.25 W level is attained, press [
EN-
TER
] to lock in the new data.
Summary of Contents for VX-800
Page 10: ...10 Set Menu Mode Functions Note ...
Page 13: ...13 Block Diagram ...
Page 14: ...14 Note Block Diagram ...
Page 24: ...24 Note ...
Page 26: ...26 Main Unit Lot 1 3 Note ...
Page 29: ...29 Main Unit Lot 4 50 Circuit Diagram ...
Page 30: ...30 Main Unit Lot 4 50 Note ...
Page 33: ...33 Main Unit Lot 51 Circuit Diagram ...
Page 34: ...34 Main Unit Lot 51 Note ...
