Elecraft KAT100 - Manual (Page 27)

27
Alignment and Test
Initial Tests
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Do not transmit during these tests.
Turn the K2 and all power supplies OFF.
Reinstall the K2 Control board and KAF2 if not installed.
Connect the KAT100 to a source of 10-15 V DC (J1).
Connect the control cable between the KAT100 CONTROL
jack (J3) and the AUX I/O jack on the K2 or K2/100.
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In the following steps, if you see or smell smoke, turn
off the K2 and all power supplies and refer to Troubleshooting.
If the KAT100 is powered from a separate supply, turn it on first.
The LEDs on the KAT100 should remain off and you should not
hear any relays switching yet.
Turn on the K2's power supply, then turn on the K2. This should
cause the KAT100 to turn on as well. Only two KAT100 LEDs should
turn on: ANT1 or ANT2, and LOW or HIGH power. You may also
hear one or more relays switch.
Tap the A N T 1 / 2 switch a few times. Each tap should activate
the KAT100 antenna relay, K18. The ANT1 and ANT2 LEDs, as well
as the ANT2 annunciator on the K2, should agree.
Switch to a different band, and select the other antenna. Changing
back and forth between these two bands should now recall the selected
antennas. Turn power off and back on and verify that the appropriate
antenna is still selected for each band.
If you have a KPA100 installed, rotate the POWER pot through
its full range. The LOW power LED on the KAT100 should turn on
at 10 W and below. The HIGH power LED should turn on above
10 W.
Menu and Relay Test
Tap M E N U , then use B A N D + / B A N D - or the VFO knob to
locate the A T U menu entry. Hold E D I T to modify the parameter. If
the A T U parameter appears as two dashes (- - ), refer to
Troubleshooting.
Using the VFO knob, scroll through the A T U menu parameters.
You may hear relays turning on and off as you select various entries.
You should see C A L , A U T O , etc. Each menu entry will be explained
in the Using the KAT100 section.
Set the A T U parameter to L 0 . You should hear a relay switch
when you move from L 0 to L 1 , then to L 2 , etc., up through L 8 .
The same should be true for C 0 through C 8 , as well as N 1 and N 2 .
These menu selections can be used to identify failing relays or other
components. This is covered in the troubleshooting section.
Set the A T U parameter to C A L . Tap M E N U once to return to
menu scroll mode, and a second time to exit the menu.
Turn the K2 off and back on. Use the menu to verify that the
A T U parameter is still set to C A L , then exit the menu.
Preparing the KAT100 for Alignment
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If you're planning to install any accessories of your
own in the top cover of the full-height KAT100-2, do not
connect them until after the KAT100 is aligned. Do not connect
anything to P3, P4, and P6 on the KAT100 RF board at this time.
Turn the K2 off.
Disconnect the KAT100's DC power cable. It must be left
disconnected during all alignment steps.
Disconnect the control cable between the KAT100 and the
transceiver. This cable must be left disconnected during all
alignment steps.