Receiver Adjustment - Icom IC-F1010 Service Manual

5.3 RECEIVER ADJUSTMENT
ADJUSTMENT ATNUSTMENTCONDMONS
MEASUREMENT
METHOD
ATUUSTMENT
VALUE METHOD
RECEIVER
SENSITIVITY
. Operating frequency:136.00O
MHz
o Connect the SSG to the antenna con-
nector and set as:
Level
: 5.6 u\fr ( -92 dBm)
Modulation :OFF
o Connect a 4 Q load to the external
speaker jack.
r Enter lnitialSet Mode No.5
Refer to p. 5- 1 for details.
o Receiving
Number digits in
the LCD
!!!!!!!t!!
tft ,ft tft tft tf
Maximum indi-
cation
In sequence adjust
L9, Ll1,
Ll2, L13
on the MAIN unit
N O I S E
SQUELCH
THRESHOLD
POINT
1
. Make sure no signal is being applied to
the antenna connector.
r Enter lnitialset mode No. z
Refer to p. 5- 1 for details.
o Operating frequency: Any
o Receiving
Speaker butput
Audio noise just
disappears.
Rotate volume control
while pushing [Pz].
2
o Connect the SSG to the antenna con-
nector and set as:
Level
: 0.25 u\[ ( - 119 dBm)
Deviation: +3.5 kHz (wide-type)
+ 1.75 kHz (narrow-type)
Modulation: 1 kHz
Squelch opens Verify
BEEP LEVEL
1
r Enter lnitialset mode No.3
Refer to p. 5- 1 for details.
. Operating frequency: Any
o Receiving
Speaker output Desired level.
Rotate volume control
while pushing [Ps].
* This output level of the standard signal generator (SSG) is indicated as SSG's open circuit.
5-3