Ericsson EF738 Service Manual page 11

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Test/Service Programs
18 DAC2CAL
19 RX SAT
20 AUDIO
21 HANDSET
22 TX SAT
10
B = AFC state
1 waiting for signal;
(no valid RSSI, compensate for temp. or temp. + age)
2 acquiring lock;
(RSSI good, use whole freq. error for 1.5 sec for fast lock)
3 locked (RSSI good, use smoothed freq. compensation)
4 freeze lock ( RSSI temporarily lost, compensate for
temp + age + (frozen) freq. error for up to 30 sec.)
5 locked using short count;
(RSSI good, use smoothed freqcompensation);
only entered when current savings is active;
short freq. measurements is used to find freq. error com-
pensation
6 entered when DRX has started;
compensate for temp. + age + (frozen) freq. error.
CC total compensation
DD temperature table component
EE age component
FF frequency error component
Calibration of the VCTCXO.
M+# enables calibration and echoes the initial value
# / * increases/decreases the value by 1; new value is echoed
M+S stores the current value
During the calibration the AFC is in 'Temperature only compen-
sation mode' (Tp-15:0)
Upon exiting the calibration the AFC returns to its previously
selected operating mode.
Factory and level 5 repair only
Sets the audio paths in the audio circuit
Key TX-audio
0
muted
1
unmuted
2
muted
3
unmuted
Sets the audio paths in the handset.
0
microphone off, earphone off, loudspeaker off (default)
1
microphone on, earphone on, loudspeaker off
2
microphone off, earphone off, loudspeaker on
Controls the SAT tone switch and TX SAT deviation.
0
generate 5970 Hz SAT
1
generate 6000 Hz SAT
2
generate 6030 Hz SAT
3
no SAT generated
4
SAT tone switch setting = ON
5
SAT tone switch setting = OFF
M+# enables calibration and echoes the initial value
# / * increases/decreases the value by 1; new value is echoed
M+S stores the value
RX-audio
muted
muted
unmuted
unmuted

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