2-22 Subject to Export Control, see Cover Page for details.
B. Receiver Test Screen (cont)
DTMF Modulation Source Fields
Gen 1 Used to select internal modulation.
Select: On or Off
AM:
Freq 0 to 20000 Hz in 1 Hz increments
%Mod 0% to 100% in 0.1% increments
FM:
Freq 0 to 20000 Hz in 1 Hz increments
Dev kHz 0 to 100 kHz in 0.01 kHz increments
Dtmf Used to select the DTMF state.
Select: AM:
State Burst, Cont (Continuous) or Off
%Mod 0% to 100% in 0.1% increments (Lo)
0% to 100% in 0.1% increments (Hi)
Seq Up to 12 characters (0 to 9, A, B, C, D)
FM:
State Burst, Cont (Continuous) or Off
Dev kHz 0 to 100 kHz in 0.01 kHz increments
0 to 100 kHz in 0.01 kHz increments
Seq Up to 12 characters (0 to 9, A, B, C, D)
Mark Used to select the DTMF timing.
Select: 100 to 1000 ms in 1 ms increments
Space Used to select the DTMF timing.
Select: 100 to 1000 ms in 1 ms increments
Volume Used to select the Handset volume level.
Select: 0 to 100
Squelch Used to select the Squelch level for Duplex and Transmitter tests.
Select: -150 to 50 dBm in 1 dB increments
Squelch operates in conjunction with the Receiver RSSI Meter. When
the RSSI Meter is under this threshold, then the speaker audio is
silenced. The RSSI Meter does not need to be displayed on the
screen for squelch to be operational.
Speaker Used to select the Speaker Output.
Select: Audio In or Mod
Aud Out Used to select the Audio Output Connector.
Select: Audio In or Mod
Save Displays the Save Configuration Screen (para 2-2-7B) to store the
current state of the test screen in the internal memory.
Recall Displays the Recall Configuration Screen (para 2-2-7A) to recall a
stored state of the test screen from internal memory.
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