Atlas 210x, Инструкция по установке, эксплуатации и обслуживанию

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The remote switch can be a double pole, single throw toggle switch, and may be installed on a bracket or in a small
utility box along with the two diodes. Other parts required are two phone plugs, a 9 pin Noval plug, a 4 conductor
cable, and a single insulated conductor.
The remote switch unit may be secured near the CW key, or possibly attached to one side of the key base,
permitting quick and easy switching to the CW Transmit mode.
Operation of the circuit is as follows:
When the switch is closed, the single conductor wire coming from the MicJack is grounded through the 1N4005
diode, and the switch to pin 4 or the EXT. OSC. socket. This causes the relays in the transceiver to close, placing
the transceiver in transmit mode. At the same time, the lead coming from pin 9 is grounded through the 1N4148
diode, thus disabling the Mic. Amp., and preventing voice modulation of the CW signal.
The other circuit of the 2 pole switch connects the +13 volt line from pin 8 to the +CW lead going to pin 1 of the
EXT. OSC. socket. This causes the carrier oscillator frequency (NORM. SB only) to move about 800 cycles up
into the filter passband, thus providing automatic off-set frequency during CW transmission.
2-19. EXTERNAL OSCILLATOR SOCKET. This socket is a 9 pin Noval installed on the back of the
transceiver, and is for plug in of the Atlas Model lOx Crystal Oscillator accessory, Model 206 External VFO, or
the Model DD-6B-C Digital Dials. Jumper wires are factory installed on this socket, and must be removed if any of
these accessories are to be used. 2-20. AUXILIARY SOCKET. This socket is also a 9 pin Noval, and is for control
of a Linear Amplifier or VX-5 or VX-5M CW Semi-breakin.
2-21. LINEAR AMPLIFIER CONNECTIONS. Figure 2-2 illustrates how to connect a linear amplifier to the
Atlas transceivers. ALC output from the linear may be connected to Pin 4 on the AUX. socket plug. The ALC
control voltage from the linear MUST be positive going. Most linears with an ALC output circuit are negative
going. If this is the case with your linear, and you wish to utilize ALC control from the linear, it will be necessary
that you modify the linear ALC circuit. This will usually consist of reversing one or two diodes in order to generate
a positive voltage control instead of negative.
In view of this requirement, you may choose to use the ALC system of the Atlas transceiver alone. Most linears
will operate to the full legal power limit with little or no distortion.
2-22. MOBILE INSTALLATIONS
2-23. DELUXE PLUG-IN MOBILE MOUNTING KIT.
This kit includes:
(a) 6'/2 foot D.C. power cable; (b) 25 Amp. Circuit Breaker; (c) Black anodized aluminum plug-in housing; (d)
Two 9-inch and two 12-inch cadmium plated steel mounting bars;
(e) 3 inch wide rear bracket; (f) Package of screws and terminal lugs. Refer to Figure 2-3 for typical
transmission hump and under dash mounting arrangements.
1. The rear bracket(s)) should be angled as straight back as possible in order to give good support for pushing and
pulling the transceiver in and out of the mount.
2. The mounting brackets must be cut and bent to suit the installation, each being unique. Try different positioning
and select the one for best ease of operation, and least interference with automobile controls. Then carefully
measure each bracket for length and angle of bend on its toot. Bend as required. After bending the brackets,
they may be painted with flat black to match the anodized aluminum parts, if desired.
3. Remove the acorn nut and hex nut. Slip bracket over screw, and replace only the acorn nut.
4. Secure brackets to car with No. 14 sheet metal screws. Tighten screws and nuts securely. No. 10 screws are also
furnished in case the No. 14 screws are too large.
5. Antenna connection is made by standard coax connector to the coax jack on the rear of the Deluxe Mounting
Kit.
6. An external speaker may be connected as follows: Locate the speaker plug on the back of the mobile mount, just
above the Mic. plug. Clip out the wire jumper going from the tip lug to the ring lug. This will disconnect the
internal speaker. Connect the external speaker from the tip lug to the ground lug. Impedance should be 4 ohms.