Specifications

Page 10

CONTROL FUNCTIONS, FRONT PANEL (Continued)

SPOT SWITCH

Used in AM Receive only while tuning in a station. This allows the operator to hear the carrier of an incoming AM station.

ANL SWITCH

Automatic Noise Limiter Switch. Reduces ignition and atmospheric static at the output of the receiver.

MIC JACK

A three conductor plug fits into this jack. Always use a high impedance microphone with the 1011D, (Siltronix CM1011, Shure 444,

etc).

MIC GAIN CONTROL

This control adjusts the level of the microphone audio into the transmitter modulator.

PRESELECTOR

This control affects both the transmit and receive sections of the unit. It should be adjusted for maximum power output on transmit.

This will then be the correct adjustment for maximum receiver sensitivity.

REAR PANEL CONTROLS / CONNECTORS

POWER CONNECTOR

The AC power cord from commercial service or from the Model 14A DC to AC converter plugs into this receptacle. An AC power

cord is supplied with every new 1011D.

P.A. BIAS ADJUSTMENT

This adjustment controls the amount of P.A. idling current which should always be 40 mA. This is preset at the factory but should be

checked periodically, usually at the beginning of a day’s operation.

ACCESSORY POWER RECEPTACLES

There are two 117 VAC receptacles. One, marked 3A MAX, has power whenever power is applied to the rear panel power connector

through the line cord. The other, marked 1A MAX, is switched on and off by the front panel power switch. Neither of these can be

used when the unit is being powered by the Model 14A DC to AC converter.

ACCESSORY OUTPUT

The connector marked “FD-1011 ACCESS” is the output to the FD-1011 digital frequency indicator. A mating plug, from the

accessory, plugs into the connector. The power for the FD-1011 is obtained from the 117 VAC switched receptacle.

AUX RELAY CONNECTOR

The center pin of this connector is at 12VDC continuously. The outer metal ring is grounded when the transmitter is keyed. It can be

used to key the power to a linear amplifier, coaxial antenna relay, etc.

HEADPHONE JACK

For Headphone connection. Speaker is automatically disconnected when headphone plug is inserted. Use low impedance

headphones.

S-METER ZERO ADJUSTMENT

Provides a zero adjustment for S-Meter. Adjustment is accomplished with RF GAIN control set fully clockwise and the antenna

disconnected.

ANTENNA CONNECTOR

Common antenna connector for receiver and transmitter sections. Mates with PL259 coaxial connector. (Use RG58 or RG8 cable).

FUSEHOLDER

Accepts type 3AG fuse. Protects set from damage due to internal short circuit and overload of the 117 VAC SW receptacle.

Use only 4 ampere fuse.