Frequency Adjustment; Receive Adjustments - Icom IC-M803 Service Manual

5-2 FREQUENCY ADJUSTMENT

Enter the adjustment mode.
ADJUSTMENT ITEM
ADJUSTMENT
REFERENCE
1
FREQUENCY
- Preparation -
- Adjustment -
2 "REF OSC"
*The output level of the standard signal generator (SSG) is measured at the load end (PD).

5-3 RECEIVE ADJUSTMENTS

ADJUSTMENT ITEM
ADJUSTMENT
TOTAL GAIN
1
- Preparation -
- Adjustment -
2 "Total Gain RX (REF)"
3 "Total Gain RX (SET)"
S-METER 1 "8 Dot Level"
- Adjustment -
DSC RECEIVER 1
TOTAL GAIN
- Preparation -
- Adjustment - 2 "Total Gain DSC REF"
3 "Total Gain DSC SET"
*The output level of the standard signal generator (SSG) is measured at the load end (PD).
SETTING CONDITION
DISPLAY
– • Three minutes have passed since
the transceiver is turned ON.
• Connect the standard signal
generator (SSG) to the [ANT]
connector, and set it to:
Frequency:
Level*:
Modulation:
• Receiving
SETTING CONDITION
DISPLAY
–
• Connect the SSG to the [ANT]
connector, and set it to:
Frequency:
Level*:
Modulation:
• Receiving
• Turn OFF the SSG output.
• Receiving
• Set the SSG as:
Level*:
• Turn ON the SSG output.
• Receiving
–
• Connect the SSG to the [DSC ANT]
connector, and set it to:
Frequency:
Level*:
Modulation:
• Receiving
• Turn OFF the SSG output.
• Receiving
10.000000 MHz
+94 dBµ (−13 dBm)
None
–
12.354 MHz
+50 dBµ (−57 dBm)
None
+80 dBµ (−27 dBm)
–
8.4145 MHz
+50 dBµ (−57 dBm)
None
5-3 5-3
OPERATION
Select the "REF OSC" item.
(Adjustment menu: "REF OSC")
Push .
(Two beeps sound, then
automatically moves to the Receive
adjustment "Total Gain RX (REF).")
OPERATION
Select the "Total Gain RX (REF)"
item.
(Adjustment menu: "RX" > "Total
Gain RX (REF)")
Push .
(Two seconds later, two beeps
sound.)
Push .
(Ten seconds later, two beeps
sound.)
Push .
(One second later, two beeps
sound.)
Select the "Total Gain DSC REF"
item.
(Adjustment menu: "DSC-RX" >
"Total Gain DSC REF")
Push .
(Two seconds later, two beeps
sound.)
Push .
(Ten seconds later, two beeps
sound and then automatically
returns to the adjustment menu.)