Icom IC-7800 - Page 387

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RXPLL-B UNIT ADJUSTMENTS–Continued
RX
SENSITIVITY
(50 MHz)
IF THROUGH
(50 MHz)
ADJUSTMENT
ADJUSTMENT ADJUSTMENT CONDITION
MEASUREMENT
VALUE
POINT
UNIT LOCATION UNIT ADJUST
1
1
• SUB display frequency
: 50.020 MHz
• Mode : USB
• Pre-amp. 2 : ON
• Connect an SSG to [ANT1] connec-
tor and set as;
Frequency : 50.0215 MHz
Level :
0.32 µV* (–117 dBm)
Modulation: OFF
• Receiving
• SUB display frequency
: 50.020 MHz
• Mode : USB
• Connect an SSG to [ANT1] connec-
tor and set as;
Frequency : 64.555 MHz
Level : 50 mV* (–13 dBm)
Modulation: OFF
• Receiving
Rear
panel
Front
panel
Connect an AC milli-
volt meter to [EXT SP]
jack with 8 Ω load.
S-meter
Maximum audio level
Minimum level
RX
PLL-B
RX
PLL-B
L1222
C1265
*This output level of a standard signal generator (SSG) is indicated as SSG’s open circuit.