Ericsson EF738 Service Manual page 12

23 MANCH OUT Controls the wideband data and deviation
To transmit these data the transmitter must be switched on.
0
1
2
3
M+# enables calibration and echoes the initial value
# / * increases/decreases the value by 1; new value is echoed
M+S stores the value
24 MANCH IN Displays the latest received data from the base station.
The value is displayed each time a key is pressed.
25 VOLUME Sets the earpiece and loudspeaker volume.
Possible values: 0 - 7 (default: 3)
26 DTMF DTMF tones consist of a lower frequency in combination with a
higher frequency.
The test enables listening to either or both as follows:
0
1
2
# / * scroll forwards/backwards to next/previous DTMF tone
M+# enables calibration and echoes the initial value
# / * increase/decrease the value by 1; new value is echoed
M+S stores the value
27 TX SOURCE Sets the TX audio paths in the audio circuit.
Also possible to adjust the levels of the different audio paths.
0
1
2
M+# enables calibration and echoes the initial value
# / * increases/decreases the value by 1; new value is echoed
M+S stores the value
28 EARPIECE Sets the earpiece mute switch in the audio circuit to allow for
adjustment of the earpiece sensitivity values.
0
1
2
M+# enables calibration and echoes the initial value
# / * increases/decreases the value by 1; new value is echoed
M+S stores the value
29 COMP
Selects compander or linear mode
M+# displays the current compander settings
M+0 linear mode (default)
M+1 companding mode
off - no data output)
8kHz output; ones
8kHz output; zeros
hardcoded idle frame; 0101010101
low frequency
high frequency
both frequencies.
external line input, ATMS (default)
internal MIC
internal MIC with MicAmp gain
internal earpiece disconnected
internal earpiece connected
audio sent out AFMS on system connector (default)
internal earpiece and AFMS can both be adjusted
Test/Service Programs
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