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Summary of Contents for HP 40W

Page 1: ...General HP 40W Full Channel AM FM Amateur Mobile Transceiver OWNER S MANUAL Printed In Malaysia A38251614A PD001216 Downloaded from www cbradio nl ...

Page 2: ...7 7 8 W x 9 1 4 D X 2 3 8 H EXTERNAL SPEAKER 4 Weight olbs PUBLIC ADDRESS 4 TRANSMITTER RF Power Output AM FM H 40W L loW OPERATION 5 Spurious Emission odB Audio Distortion 10 CONTROLS AND INDICATORS 6 Frequency Response 300 to 2500Hz Front Panel 7 Microphone Dynamic Rear Panel Connectors 8 RECEIVER Operation 9 Sensitivity AM 0 5 uV for iodBS N N Procedure to Receive 10 FM 0 25 uVfor 12dB S N N Pr...

Page 3: ... ignition switches by tracing the power wire from the AM broadcast receiver in the car 4 Connect the black lead to 13 8V DC This is usually the chassis of the car Any convenient location with good electrical contact remove paint may be used 5 Mount the microphone bracket on the right side of the transceiver using two screws supplied When mounting in an automobile place the bracket under the dash s...

Page 4: ...ct EXTERNAL SPEAKER The external speaker jack EXT SP on the rear panel is used for remote receiver monitoring The external speaker should have 8 ohms impedance and be able to handle at least 4 watts When the external speaker is plugged in the internal speaker is disconnected PUBLIC ADDRESS To use the transceiver as a public address system connect an external 8 Ohms speaker 4 watts minimum to the P...

Page 5: ... This is a three position switch Move the switch all the way up to activate the Noise Blanker NB and Automatic Noise Limiter ANL The Noise Blanker is very effective in eliminating repetitive impulse noise such as ignition interference When the switch is moved to the middle position only the Automatic Noise Limiter is engaged Move the switch to the bottom position to turn off the ANL and NB 12 RF P...

Page 6: ... the switch and the transmitter is activated release switch to receive When transmitting hold the microphone two inches from the mouth and speak clearly in a normal voice This transceiver comes complete with a low impedance dynamic microphone B PROCEDURE TO RECEIVE 1 Be sure that power source microphone and antenna are connected to the proper connectors before going to the next step 2 Turn VOL kno...

Page 7: ...for grounding and fifth is for transmit control The microphone should provide the functions shown in schematic below If the microphone to be used is provided with precut leads they must be revised as follows 1 Cut leads so that they extend 7 16 beyond the plastic insulating jacket of the microphone cable 2 All leads should be cut to the same length Strip the ends of each wire 1 8 and tin the expos...

Page 8: ...and then the connections to pins 2 4 and 5 Use a minimum amount of soldering and be careful to prevent excessive solder accumulation on pins which could cause a short between the pin and the microphone plug housing 8 When all soldering connections to the pins of the microphone are completed push the knurled ring and the housing forward and screw the housing onto the threaded portion of the pin rec...

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