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Summary of Contents for Digicom 100

Page 1: ...885 A M TRANSCEIVER Owners Manual ELECiRQniC1 cOR ORATiQn t Escondido Calif 92025 Telephone 714 746 2666...

Page 2: ...ble sideband AM modulation Unique two control channel selection Filli sized communications type speaker Noise blanker preemphasis type The DIGICOM 100represents the most stateof the art design availab...

Page 3: ...y engineered radiowhich represen a significant investranentby its pwchaser You should be careful that any aceessov added does not detract from the potentially excellent pedormnce of the DHGICOM 100 Sh...

Page 4: ...ative ter minal 111 IGNITION NOISE SUPPREBION Xadi0 perfermance will be irilproved greatly by effective ignition noise suppression Recom 7s are xended ste A Be sure spark plugs distributor sap rotor a...

Page 5: ...hannel 13would be a 1on the left knob and a 3cn the right knob Note that charnel 00 is the same operating frequency as channel 1 01 Also note that the transmitter is inoperativefor channels 24 to 5 1...

Page 6: ...ion beyond this poir lwill canse unnecessary loss sf receiver sensitivity and thereby many weaker signals mag not be heard 6 OLUPvfE Adjust loudness of speaker audio rsertput H Ni3 S N 4 F F S ITCH Y8...

Page 7: ...either an external speaker or public address system Use 4 8 ohm speaker IM PORTANT Be sure center conductor of speaker plug is connected to ungrounded side of the voice coil Audio amplifierwill be dam...

Page 8: ...channel channel...

Page 9: ...requency counter 13 6VDC power supply plas c hex h i n g tool 50 ohm RF dunmy load b Connect radio to DC supply c Remove PL 1from R T board d NB switch off e PA CB switch CB f MODE switch LSB g CLARIF...

Page 10: ...at TP1 T u n channel switches to charnel 99 and check that the DC voltage at TP1does not exceed 7 5VDC If it does adjust L3f r a 7 5VDC reading 5 Connect freq counter to TP2 Check that mode switch is...

Page 11: ...OPERATING CHANNEL FREQ MHZj USB INJECTION FREQ MHz LSB INJECTION FREQ MHz 8 Reconnect PL1 to R T board 10...

Page 12: ...with ammeter in DC line c Connectwaltmnekrand d m x y load to radio ou ut comeetor d Set R 167 at rotation e Set R251 fully counter clocksvise CCW No that all references to trimpot setEngs are facing...

Page 13: ...LIZ L 1 1 zzd fa i A l r m 27 igfj MHz voltage at TP6 m iixnmoife switch to btYIand adjust RSO on synthesizer board for a 913 Fercent riodul d i KC wa eform at TF6 Turn R273 fully CW again Yote DC am...

Page 14: ...audio generator connection and PTT clip leader Setmode switch to USB positionznd reconnect microphone Push microphone transmit button and adjust R 167for 2 to 3watts RF output while saying the word fo...

Page 15: ...o the signal generator causing pokntiai damage to the signal generator ALIGNMENT PROCEDURE 1 Adjust R298 for S 3 reading or the front panel S nekr with the RF generator input lever hrned fully OFF 2 n...

Page 16: ...8for a S 9 mekr reamg This caEbaa es h e S meter 6 rus signal level up to 1000uv and setRi O for 1V DCat TP9 This setsthe RF AGG 7 With a 1000 uuv signa stillon channel 12 wow set fie generator on 96...

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