REAR PANEL DESCRIPTION

1.ANTENNA 1 - This connector is used when attaching receiving antennas with coaxial feed lines of 50 Ohm nominal impedance. It accepts a standard PL-259 plug. If selected by the 'Shortwave Antenna Select' switch (item 2), this input operates for the AM Broadcast and Shortwave bands only (100 kHz to 30 MHz).

2.SHORTWAVE ANTENNA SELECT - This switch selects one of three possible antenna systems to be used for the

100kHz to 30 MHz antenna input. Positions 1 and 2 select ANTENNA 1 and ANTENNA 2 respectively, which are described in items 1 and 5 on this section. When WHIP is selected, the built in whip antenna, located at the rear right- hand corner of the receiver's top, is connected. Also built into the receiver is a ferrite rod antenna which also operates when this switch is in the WHIP position, AND the receiver is tuned between 100 kHz and 1800 kHz.

3.FM/AIR ANTENNA SELECT - This switch allows selection of either the built-in WHIP antenna, or an external 75 Ohm antenna connected at the FM/AIR terminal (item 4) for the 87 - 108 MHz and 118 - 137 MHz frequency ranges.

4.FM/AIR Antenna - This "F" type input is designed for an unbalanced 75 Ohm input connection that is encountered with coaxial feeds. Connect to the FM connection of a TV/FM outdoor antenna feed (splitter), if available. Folded dipoles or coaxial antennas will also provide good results with this input for reception of the FM broadcast and Aircraft Bands. If selected by the 'FM/AIR Antenna Select' switch (Item 3), this input operates for the FM Broadcast (87 - 108 MHz) and Aircraft (118 kHz to 137 MHz) bands only.

5.ANTENNA 2 -This connector can be used to attach a high impedance (500 Ohm nominal) antenna. Use the 'GND' (black) and '500 Ohm' (red) terminals for a 500 Ohm antenna. If selected by the 'Shortwave Antenna Select' switch (Item 2), this input operates for the AM Broadcast and Shortwave (100 kHz to 30 MHz) bands only.

6.LINE AUDIO OUT -These RCA connectors provide constant low level left and right audio sources that are independent of the front panel VOLUME, TREBLE and BASS control settings. They are designed to interface to a tape recorder, CW/RTTY demodulators, stereo amplifiers, etc.

7.Battery Compartment - This compartment houses 6 IEC- LR20 or IEC R20 or 'D' cells to provide 9 VDC to the receiver for portable operation. To gain access to the battery compartment, press the corrugated area of the battery compartment panel and slide it to the left. Then gently pull the panel from the receiver. To replace the cover, simply reverse this process.

8.EXT DC INPUT - Connect the AC ADAPTER output cable to this connector. The receiver requires 9 VDC power at approximately 1 Amp current. With external DC power applied, the internal batteries are not used.

9.EXTERNAL SPEAKER - This connector accepts a standard 1/4" diameter, 3 circuit, (stereo) phone plug for connection of external 4 to 8 Ohm speakers.

10.WHIP ANTENNA - The receiver has a built-in telescoping antenna that can be used on all bands.

Note that the pivot point section of the antenna must be exposed out of its nesting tube to permit moving the antenna from its vertical orientation. Extend the telescoping sections and position the antenna for best signal reception. Be sure the corresponding rear panel antenna select switch is set to the 'WHIP' position for WHIP antenna reception.

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Grundig 800 manual Rear Panel Description

800 specifications

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