VX-261 VHF FM Transceiver Service Manual
12
4. TX Power
This parameter align the Transmit Output “High” or “Low” Power for the selected channel.
1. Press the “TX Power (H / L)” button to open the “TX Power
Alignment” window.
3. Click the “PTT” button on the desired channel. The radio
starts to transmit on the selected channel.
4. Set the value to get desired output power (Normally: High: 5
W, Low: 1 W) on the Power Meter according to the following
ways:
Dragging the slide bar
Clicking the arrow buttons
Pressing the left/right arrow key of the computer’s key-
board
Entering the value (“000” - “255”) in the “Data” box from
the computer’s keyboard
5. After getting the desired output power, click the “PTT” but-
ton to stop transmitting.
6. Click the “OK” button to finish the TX Power alignment and
save the data.
You may select the alignment type from the “Radio” button lo-
cated at the button of the screen (
ADJ Type
), as needed.
Basic
:
“Low Edge / Band Center/ High Edge” and select the
channel for alignment (Default).
Single
: Alignment value changes only on the selected channel.
All Freq
: Alignment value changes on all channels.
Alignment
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5. Maximum Deviation <Wide> / <Narrow>
This parameter align the Maximum Deviation (Wide/Narrow).
1. Press the “Max Dev (W /N)” button to open the “Max Devia-
tion Alignment” window.
2. Set the Audio Signal Generator to 100 mV with a 1 kHz tone,
Sine Wave.
3. Click the “PTT” button on the desired channel. The radio
starts to transmit on the selected channel.
4. Set the value to get desired deviation (Wide: 4.2 kHz, Nar-
row: 2.1 kHz) on the deviation meter according to the follow-
ing ways:
Dragging the slide bar
Clicking the arrow buttons
Pressing the left/right arrow key of the computer’s key-
board
Entering the value (“000” - “255”) in the “Data” box from
the computer’s keyboard
5. After getting the desired deviation, click the “PTT” button to
stop transmitting.
6. Click the “OK” button to finish the Max Deviation alignment
and save the data.
You may select the alignment type from the “Radio” button lo-
cated at the button of the screen (
ADJ Type
), as needed.
Basic
:
“Low Edge / Band Center/ High Edge” and select the
channel for alignment (Default).
Single
: Alignment value changes only on the selected channel.
All Freq
: Alignment value changes on all channels.
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