12. WIRING | 
  | 
12.1. Wiring from the Station or Outside Line  | 21  | 
12.2. Supplied Connector Connection  | 22  | 
12.3.   | 
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12.3.1. Master Station and   | 23  | 
12.3.2. External recording device and   | 25  | 
12.4.   | 
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12.4.1. External speaker connection  | 26  | 
12.4.2. Speaker volume and microphone sensitivity adjustment  | 26  | 
12.5.   | 
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12.5.1. Telephone and   | 27  | 
12.5.2. External recording device and   | 29  | 
12.6.   | 
  | 
12.6.1. Substation and   | 30  | 
12.6.2. External amplifier and   | 31  | 
12.7.   | 
  | 
12.7.1. Outside line and   | 32  | 
12.7.2. External recording device and   | 33  | 
12.8.   | 
  | 
12.8.1. Amplifier and   | 34  | 
12.8.2. External sound source and   | 35  | 
12.9.   | 36  | 
12.10.   | 39  | 
13. MAIN FRAME AND PC CONNECTION | 
  | 
13.1. Programming PC Connection  | 
  | 
13.1.1. Direct connection by means of   | 40  | 
13.1.2. Connection via modem  | 41  | 
13.2. Operation Log PC Connection  | 
  | 
13.2.1. Direct connection by means of   | 42  | 
13.2.2. Connection via modem  | 43  | 
13.3. System Programming  | 43  | 
14. SPEECH AND FUNCTION TESTS | 
  | 
14.1. Speech Test  | 44  | 
14.2. Function Test  | 44  | 
15. SPECIFICATIONS  | 45  | 
Accessories  | 45  | 
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