Icom FX-2463 Adjustment page 5

Adjustment No.
Checking TX S/N
Adjusting RX
Sensitivity
ADJUSTMENT
Adjustment Condition & Tuning
Connect a linear detector via the attenuator
to the antenna terminal, and set to the conditions
below.
HPF 50 Hz
LPF 20 kHz
De-emphasis OFF
Level Meter (P/P)/2
Apply a 1 kHz signal from the low frequency
oscillator to the antenna terminal, and
transmit, then adjust the low frequency
oscillator output level so that the maximum
modulation is 70%.
Check that the TX S/N in the bandwidth is
as the values below.
WIDE More than 40 dB
NARROW More than 34 dB
When there is no particular set limits, set
the RX adjustments and signal generator
when checking to the settings below.
Modulation Freq.
WIDE
NARROW
Set the signal generator in the following
way for wide channels.
Adjust Freq. Near Greatest Lo band F.
SG Input level
Connect an 8 ohm non-inductive load and
a distortion meter to the external speaker
terminal. Adjust BPF (T1) ~ (T4) with the
adjustment software, so that the sensitivity
is at maximum.
1kHz
± 3.5 kHz
± 1.5 kHz
+20 dBu
Value Ref. No. CK. Point
Over 40dB ANT Con
Over 34dB
Adj. Soft RSSI line