HEATHKIT HM-2102 BULLETINS PDF

Tem Resistors R7 and R8 are voltage dividers for the two power ranges: Apply power to the transmitter and tune it for maximum RF output reading. I need help setting the swr sensitivity. Resistor R3 forms a load across coil L1 to reduce the Q of the coil circuit. VHF Watt Meter HM If the transmitter output tuning adjustments will not accommodate this impedance range, the transmitter will be difficult to load until the load is properly matched to the line.

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Nat The item may have some signs of cosmetic wear, but is fully operational and functions as intended. Email to friends Share on Facebook — opens in a new jeathkit or tab Share on Twitter — opens in a new window or tab Share on Pinterest — opens in a new window or tab.

Calibrator portion of meter not functioning correctly. Have one to sell? Merely place the FUNCTION switch in either the or watt position; then read the corresponding scale on the meter scale to obtain the power output of the transmitter. Locate the circuit board and position it lettered side up as shown in Pictorial 1. Be sure that the proper part has been wired into the circuit, as shown in the Pictorial diagrams and as called out in the wiring instructions.

It will not work on transmission lines that are used as tuned feeders, since tuned feeders normally have a high SWR. The remote cabinet is not weatherproof ed. Seller information sleake Report item — heathkig in a new window or tab. Now determine the additional loss caused by the SWR from Figure 5 as follows: We suggest that you wear glasses, or at least clip the leads so the ends will not fly toward your eyes.

Therefore, if you are using a transmission line long enough to have appreciable heaathkit, locate the Wattmeter near the antenna, especially when adjusting beams or tuning traps. Check the equipment to see that all screws and parts are secured. The lead coming from the top of the coil must go to the hole nearest D3, and the lead from the bottom must go to the hole nearest D2.

Tighten the other four black cabinet screws. If you have an accurate VHF Wattmeter, you can calibrate to it with similar results. Get bulletihs item you ordered or get your money back. We warrant that, during the first ninety 90 days of ownership, our products, when correctly assembled, calibrated, adjusted, and used in accordance with our printed instructions, will meet published specifications.

An external wattmeter may be used with transmitters at frequencies of 50 to MHz and power up to watts. September 10, Learn Hm — opens in a new window or tab. I dont reset sensitivity each time. Coil the cable neatly and slide it into the opening beneath the remote unit. A review of the Circuit Description and the Schematic may prove helpful in locating a trouble.

Solder the four lugs to the foil. Watch list is full. However, the accuracy of the external wattmeter will determine how accurate your Wattmeter will be. This is a problem area worthy of checking before any alignment is accomplished. Related Articles.

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HEATHKIT HM-2102 BULLETINS PDF

Nat The item may have some signs of cosmetic wear, but is fully operational and functions as intended. Email to friends Share on Facebook — opens in a new jeathkit or tab Share on Twitter — opens in a new window or tab Share on Pinterest — opens in a new window or tab. Calibrator portion of meter not functioning correctly. Have one to sell? Merely place the FUNCTION switch in either the or watt position; then read the corresponding scale on the meter scale to obtain the power output of the transmitter. Locate the circuit board and position it lettered side up as shown in Pictorial 1. Be sure that the proper part has been wired into the circuit, as shown in the Pictorial diagrams and as called out in the wiring instructions.

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Locate the same identification number next to the part on the Schematic. F and type mica or disc. Also include switch positions, connections to other units, operating procedures, voltage readings, and any other information you think might be helpful. For warranty parts replacement, supply a copy of the invoice or sales slip.

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