Kessler Engineering AT-AUTO Installation Manual
Also see for AT-AUTO: Installation manualQuick start guide
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13Reapply the 1000 W CW carrier to the AT-AUTO(tm) and adjust the FOR HI po-tentiometer (Figure 1.8) so that the AT-AUTO(tm)’s forward power indication matchesthat shown on the calibrated Wattmeter.Remove the 1000 W CW carrier.1.4.3 Reflected Power Calibration1. Reverse the AT-AUTO(tm) coaxial input and output (connect transmitter output toAT-AUTO(tm) coaxial output, connect AT-AUTO(tm) coaxial input to calibrated Wattmeter,which terminates into a 50 Ω dummy load.2. Calibrate the high-range and low-range reflected power displayApply a 200 W CW carrier to the AT-AUTO(tm) and adjust the REV HI poten-tiometer (Figure 1.8) so that the AT-AUTO(tm)’s reflected power indication matchesthe forward power displayed on the calibrated Wattmeter.Remove the 200 W CW carrier.3. Calibrate the low-range reflected power displaySet the AT-AUTO(tm) Wattmeter to the 300 W power range.Apply a 20 W CW carrier to the AT-AUTO(tm) and adjust the REV LO poten-tiometer (Figure 1.8) so that the AT-AUTO(tm)’s reflected power indication matchesthe forward power displayed on the calibrated Wattmeter.Remove the 20 W CW carrier.4. Reconnect the AT-AUTO(tm) for normal operation.www.KesslerEngineeringLLC.com |
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