Max Deviation Alignment; Ctcss Deviation Alignment; Dcs Deviation Alignment; Rf Frequency Alignment - Vertex Standard VX-160U Service Manual

MAX Deviation
Ì Set the transceiver to CH 2 (band center).
Ì Inject a 1 kHz tone at –17 dBm to the
Ì Open the "Adjust" window on CE44, then select the
"MAX Deviation" parameter.
Ì Press the [
] 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, Ver. D and AS1), ±4.3 kHz (±0.1 kHz) (for
25 kHz steps, Ver. CS) or ±2.1 kHz (±0.1 kHz) (for
12.5 kHz steps) deviation.
Ì Press the [
] key to lock in the new data.
CTCSS Deviation
Ì Set the transceiver to CH 2 (band center).
Ì Open the "Adjust" window on CE44, then select the
"CTCSS Deviation" parameter.
Ì Press the [
] key to enable programming of this
parameter; use the [ ] or [ ] arrow keys so that the
deviation meter reading is ±0.8 kHz (±0.1 kHz) (for 25
kHz steps) or ±0.5 kHz (±0.1 kHz) (for 12.5 kHz steps)
deviation.
Ì Press the [
] key to lock in the new data.
DCS Deviation
Ì Set the transceiver to CH 3 (high band edge).
Ì Open the "Adjust" window on CE44, then select the
"DCS Deviation" parameter.
Ì Press the [
] key to enable programming of this
parameter; use the [ ] or [ ] arrow keys so that the
deviation meter reading is ±0.8 kHz (±0.1 kHz) (for 25
kHz steps) or ±0.5 kHz (±0.1 kHz) (for 12.5 kHz steps)
deviation.
Ì Press the [
] key to lock in the new data.
RF Frequency
Ì Set the transceiver to CH 2 (band center).
Ì Open the "Adjust" window on CE44, then select the
jack.
"RF Frequency" parameter.
Ì Press the [
parameter; use the [ ] or [ ] arrow keys so that the
frequency counter displays the band center frequency
(±100 Hz) for the version being aligned.
Ì Press the [
Sensitivity
Ì Set the transceiver to CH 3 (high band edge).
Ì 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.
Ì Open the "Adjust" window on CE44, then select the
"RX Tune" parameter.
Ì Press the [
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.
Ì Press the [
] key to enable programming of this
] key to lock in the new data.
] key to enable programming of this
] key to lock in the new data.