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section 1
installation

1.1 UNPACKING

Carefully lift the transceiver out of the packing material. Examine for visible damage If transceiver has been damaged in shipment save box and packing material and notify the transportation company. Fill out and mail the equipment registration card. Check that all tubes and crystals are properly seated in sockets. Check tuning controls and switches for freedom of section. Check the equipment included with the receiver against table 1-1.

1.2.2 MOUNTING AND CABLING

1.2.3 General

CAUTION

The KWM 2/2A must be operated into a 50-ohm load with an swr not exceeding 2.0:1 Random-length wire antennas or light-Bulb dummy loads cannot he used. Conventional half-wave dipoles and Beam antennas may be used only at or very near their resonant frequency. Exceeding a vswr of 2.0:1 can destroy the components in the output of this transceiver.  

   

For fixed station installation refer to figure 1-1 or I-3. For mobile installation refer to figure 1-4. Travelling station interconnections are shown in figure 1-2.

1.2.2 Fixed Station Installation.

1.2.2.1 Equipment Interconnection

Connect associated equipment to the KWM-2 or KWM-2A as shown in figure 1-1 or 1-3. ANT. SW connector J25 supplies band information in the form of grounds for each 3.5- 7- 14- 21 and 28-MHz operating band. This system provides a convenient method of providing band information to automatically tuned antenna systems for both mobile and fixed station use.

1.2.2.2 Phone Patch Installation

The KWM-2/2A is set up for a high-impedance Phone patch input (at the PHONE PATCH input J11) such as the phone patch supplied in a Collins 312B-4 and 312-5 Station Control. A low-impedance phone patch such as a (Collins 189A-2 may be used by taking the following change in the KWM-2/2A Disconnect the two brown white wires from pin 1 on terminal board E60 (figure 7-2). Using an ohmmeter determine which of the two wires is connected.


Table 1-1 . Equipment Furnished with KWM-2/2A.
 
QUANTITY DESCRIPTION FUNCTION PART NUMBER
1
2
1
1
1
1
1
1
Microphone plug
Phone plug
Cable marker card
Instruction book
Key SCII screw #10
Key SCII screw #8
Key SCII screw #6
Key SCII screw #4
Microphone connection
External connections
Cable callout
Instructions
Alignment
Alignment
Alignment
Alignment
361-0001-00
361-0062-00
280-2946-00
523-0176-000
024-9710-00
024-0019-00
024-9730-00
024-2000-00

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