Palstar AT2K Owner's Manual - page 8
8 Front Panel Description
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1. POWER/SWR METER
Dual needle meter displays FOR-
WARD and REFLECTED power in watts. SWR is measured
where the two needles intersect on the red scale.
2. PEAK HOLD
Select to read Peak Hold on the SWR me-
ter. Peak switch [3] must be in PEAK position.
3. PEAK
Selects between PEAK and AVERAGE Power me-
tering display.
4. RANGE
Two-position switch selects the range of FOR-
WARD and REFLECTED power displayed on the power
meter. When the RANGE button is OUT, the FORWARD
meter scale reads 300 watts full scale and the REFLECTED
meter scale reads 60 watts full scale. When the RANGE but-
ton is IN, the FORWARD meter scale reads 3000 watts full
scale and the REFLECTED meter scale reads 600 watts full
scale.
5. ON
Select to turn on the backlight in the meter and enable
metering, and 160 Meter functions.
The jack on the back
panel must be supplied with 12 VDC for these functions
to work.
6. INDUCTOR
25 µH continuously variable ceramic roller
inductor driven by a crank handle. Coupled to the crank han-
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Operating Your AT2K cont’d 13
1-800-773-7931 WWW.PALSTAR.COM
Do not exceed 1500 watts average (single tone)
.
5. Set RANGE switch to 300 W (button out).
6. Set the DIRECT/TUNED mode switch to the TUNED po-
sition matching your antenna connection. To tune your an-
tenna, the switch selection must be set to: COAX 1 TUNED,
COAX 2 TUNED or BALANCED LINE.
Selecting COAX 1 DIRECT, COAX 2 DIRECT or BYPASS
bypasses the tuning circuitry, and tuning is not possible.
7. Rotate the INPUT, ANTENNA and INDUCTOR controls
for maximum noise or signal as heard on your receiver. Re-
fer to preset tuning chart on page 12.
8. Key your transmitter and adjust the power level for a read-
ing of 50-100 watts on the FORWARD scale. Adjust the IN-
PUT, OUTPUT and INDUCTOR controls for a minimum
REFLECTED reading while maintaining a FORWARD
reading of 50-100 watts using your transmitter power con-
trol.
9. Read the SWR on the red scale at the point where the two
needles intersect. Repeat TUNING the input and antenna
controls until the lowest SWR reading is obtained. The SWR
should be 2:1 or lower.
This procedure takes patience the first time. The input and
antenna controls vary the capacitors and provide fine ad-
justments. The roller inductor crank control provides
coarse adjustment.
CAUTION:
When approaching the end stops of the
roller inductor, (readings of Zero or 279)
SLOW
DOWN
. Slamming the roller wheel into the mechani-
cal end stops on either end of the roller inductor can
damage it.