Service manual

16
Alignment
MAX Deviation
U Set the transceiver to CH 2 (band center).
U Inject a 1 kHz tone at –17 dBm to the MIC jack.
U Open the “
AdjustAdjust
AdjustAdjust
Adjust” window on CE44, then select the
“
MAX DeviationMAX Deviation
MAX DeviationMAX Deviation
MAX Deviation” parameter.
U Press the
[
ENTER
]
key to enable programming of this
parameter; use the
[

]
or
[

]
arrow keys so that the
deviation meter reading is ±4.2 kHz (±0.1 kHz) (for 25
kHz steps, Typ A, C), ±4.3 kHz (±0.1 kHz) (for 25 kHz
steps, Typ CS1) or ±2.1 kHz (±0.1 kHz) (for 12.5 kHz
steps) deviation.
U Press the
[
ENTER
]
key to lock in the new data.
CTCSS Deviation
U Set the transceiver to CH 2 (band center).
U Open the “
AdjustAdjust
AdjustAdjust
Adjust” window on CE44, then select the
“
CTCSS DeviationCTCSS Deviation
CTCSS DeviationCTCSS Deviation
CTCSS Deviation” parameter.
U Press the
[
ENTER
]
key to enable programming of this
parameter; use the
[

]
or
[

]
arrow keys so that the
deviation meter reading is ±0.7 kHz (±0.1 kHz) (for 25
kHz steps, Typ C, A), ±0.9 kHz (±0.1 kHz) (for 25 kHz
steps, Typ CS1) or ±0.35 kHz (±0.1 kHz) (for 12.5 kHz
steps, Typ C, A), ±0.5 kHz (±0.1 kHz) (for 12.5 kHz
steps, Typ CS1)deviation.
U Press the
[
ENTER
]
key to lock in the new data.
DCS Deviation
U Set the transceiver to CH 3 (high band edge).
U Open the “
AdjustAdjust
AdjustAdjust
Adjust” window on CE44, then select the
“
DCS DeviationDCS Deviation
DCS DeviationDCS Deviation
DCS Deviation” parameter.
U Press the
[
ENTER
]
key to enable programming of this
parameter; use the
[

]
or
[

]
arrow keys so that the
deviation meter reading is ±0.75 kHz (±0.1 kHz) (for
25 kHz steps) or ±0.35 kHz (±0.1 kHz) (for 12.5 kHz
steps) deviation.
U Press the
[
ENTER
]
key to lock in the new data.
RF Frequency
U Set the transceiver to CH 2 (band center).
U Open the “
AdjustAdjust
AdjustAdjust
Adjust” window on CE44, then select the
“
RF FrequencyRF Frequency
RF FrequencyRF Frequency
RF Frequency” parameter.
U Press the
[
ENTER
]
key to enable programming of this
parameter; use the
[

]
or
[

]
arrow keys so that the
frequency counter displays the band center frequency
(±100 Hz) for the version being aligned.
U Press the
[
ENTER
]
key to lock in the new data.
Sensitivity
U Set the transceiver to CH 3 (high band edge, Typ C, A)
or CH 1 (low band edge, Typ CS1).
U Tune the RF signal generator to the same frequency as
the transceiver’s, then set the generator output level to
40 dBµ with ±3.0 kHz deviation @ 1 kHz tone modu-
lation.
U Open the “
AdjustAdjust
AdjustAdjust
Adjust” window on CE44, then select the
“
RX TuneRX Tune
RX TuneRX Tune
RX Tune” parameter.
U Press the
[
ENTER
]
key to enable programming of this
parameter. Use the
[

]
or
[

]
arrow keys to tune for
best sensitivity; ultimately, the radio should be aligned
so that the RF signal generator output level is –6 dBµ
EMF (0.25 µV) or less for 12 dB SINAD.
U Press the
[
ENTER
]
key to lock in the new data.