Icom IC-7300 Instruction Manual basic - Page 67
Microphone connector
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12 CONNECTOR INFORMATION ACC socket (Continued) DDOPC-599 ACC conversion cable pin assignments The OPC-599 ACC conversion cable connects 1 between a 13 pin [ACC] socket and 7 pin and 8 pin sockets. 2 13 9 10 11 12 56 78 12 34 ACC 1 4 25 ACC 2 4 25 3 1 3 8 6 7 1 3 6 7 4 [ACC] socket (IC-7300) q FSKK t AF q 8 V t ALC 5 w GND y SQLS w GND y - e SEND u 13.8 V e SEND u 13.8 V 6 r MOD i ALC r BAND 7 8 Microphone connector 9 i AF output PIN No. DESCRIPTION 10 q Microphone input u GND (Microphone ground) q Microphone input (Impedance: 600 Ω) w +8 V DC output (Maximum 10 mA) 11 w +8 V DC output y GND (PTT ground) e Up: Ground 12 e Frequency up/down t PTT Down: Ground through 470 Ω r Squelch line output r Grounded when the squelch opens. 13 t PTT Front panel view y PTT ground 14 u Microphone ground i AF output (varies with the [AF] control.) 15 16 DDExternal keypad A circuit is used to output memory content from 4 memories. You can output desired memory content such as that from a CW Memory keyer (M1 ~ M4), Voice memory (T1 ~ T4), RTTY Memory (RT1 ~ RT4) to be transmitted. zzPush a switch to send the memory information. zzHold down the switch for 1 second to repeatedly send the memory information. LT o use the external keypad, turn ON the following items in the CONNECTORS set screen. (p. 8-5) MENU » SET > Connectors > External Keypad ••VOICE: ON ••KEYER: ON ••RTTY: ON LThe External keypad is not supplied by Icom. (User supplied) 4.7 kø 2.2 kø 1.5 kø 1.5 kø ±5% ±5% ±5% ±5% S4 S3 S2 S1 External keypad PINe PINy [MIC] connector MIC 1 7 286 34 5 Front panel view 17 18 19 20 21 12-2