IFR FM/AM-1200A Operation Manual page 32

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12. AUX POWER Connector
+12-v-Ts-applie~
this connector in Generate and Duplex Generate
modes (for the Option 05, Generator Amplifier Only).
13. REF CAL Adjustment
For-adjustment-of-FM/AM-1200S/A Master Oscillator (TCXO).
14.
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In Duplex mode, a fixed -60 dB (±10 dB) is present at the DUPLEX
Output Connector (FM/AM-1200A Only) at the selected offset fre-
quency. For the FM/AM-1200S, the output is -15 dBm (±10) when in
DUPLEX HIGH mode and -25 dBm (±5 dB) below the DUPLEX HIGH output
when in the DUPLEX LOW mode.
In the Tracking Mode (FM/AM-1200S only with Option 12 installed),
the output is -5 dBm (+3/-5 dB) in TRACK HIGH mode, -15 dBm (±7 dB)
in TRACK MED mode and -40 dBm (+5/-10 dB) when in the TRACK LOW
mode.
15. EXT MOD/SINAD Connector
ATlows-appiTcatTonof-external modulation when "Generate" Mode is
selected. Permits measurement of UUT SINAD and/or Distortion when
Modulation METER Control (4) is positioned to ''SINAD" or ''DIST".
16. DEMOD Connector
Allows-eXternal scope monitoring of the demodulated received or
generated audio signal.
17. TONE OUT Connector
When-eTther-VAR-Tone Selector Switch (5) or 1 kHz Tone Selector
Switch (7) are positioned to "INTL''; variable, fixed or both tones
are present at this connector.
18.
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Used for data entry and control of FM/AM-1200S/A microprocessor as
des c r i bed i n pa rag rap h 3- 3 •
19. MIC/ACC Connector
Allows use of external microphone (Ref. appropriate Pin-Out Table
in Appendix B).
With microphone connected, depressing MIC Key
will automatically switch FM/AM-1200S/A
internally to generate mode if the Mode
Selector Control (39) is in receive or duplex
positions.
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