Icom IC-7410 Service Manual - Page 27

Reference Adjustments, Adjustment Item, Transceiver's, Condition, Operation, Measure, Point, Adjust

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¤ REFERENCE ADJUSTMENTS • Reference adjustment menu. REF REF APC VCC Reterns to the previous screen. MENU Select the reference frequency adjustment. Select the APC reference adjustment. • REFERENCE FREQUENCY ADJUSTMENT REF R E F O S C Reterns to the previous screen. MENU SET Stores the value and move to the next item. ADJUSTMENT ITEM TRANSCEIVER'S CONDITION OPERATION MEASURE ADJUST POINT POINT VALUE REFERENCE 1 - • Connect a frequency counter to - - - FREQUENCY [ANT1], through an attenuator. 2 • Display: "REF OSC" • Push [F-5]. (Automatically starts [ANT1] [MAIN DIAL] 29.999000 MHz • Transmitting to transmit.) (±30 Hz) Push [F-5]. Automatically returns to the reference adjustment menu. Push [MENU] to return to the main adjustment menu (Page 4-6). • APC REFERENCE ADJUSTMENT APC I d A P C C h e c k Reterns to the previous screen. MENU SET Stores the value and move to the next item. ADJUSTMENT ITEM ID APC VERIFICATION TRANSCEIVER'S CONDITION • Display: "IdAPC Check" • Transmitting OPERATION MEASURE POINT • Push [F-5]. (Automatically starts - to transmit.) ADJUST POINT - Automatically returns to the reference adjustment menu. Push [MENU] to return to the main adjustment menu (Page 4-6). VALUE Push [F-5]. (Beeps sound 1 sec. later) 4 - 9

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4 - 9
ADJUSTMENT ITEM
TRANSCEIVER'S
CONDITION
OPERATION
MEASURE
POINT
ADJUST
POINT
VALUE
REFERENCE
FREQUENCY
1
–
•
Connect a frequency counter to
[ANT1], through an attenuator.
–
–
–
2
• Display: "REF OSC"
• Transmitting
•
Push [F-5]. (Automatically starts
to transmit.)
[ANT1]
[MAIN DIAL]
29.999000 MHz
(±30 Hz)
Push [F-5].
Automatically returns to the reference adjustment menu.
Push [MENU] to return to the main adjustment menu (Page 4-6).
¤
REFERENCE ADJUSTMENTS
• APC REFERENCE ADJUSTMENT
• REFERENCE FREQUENCY ADJUSTMENT
ADJUSTMENT ITEM
TRANSCEIVER'S
CONDITION
OPERATION
MEASURE
POINT
ADJUST
POINT
VALUE
ID APC VERIFICATION
• Display: "IdAPC Check"
• Transmitting
•
Push [F-5]. (Automatically starts
to transmit.)
–
–
Push [F-5].
(Beeps sound
1 sec. later)
Automatically returns to the reference adjustment menu.
Push [MENU] to return to the main adjustment menu (Page 4-6).
MENU
REF
APC
VCC
REF
Reterns to the previous screen.
Select the reference frequency adjustment.
Select the APC reference adjustment.
MENU
REF
OSC
SET
REF
Reterns to the previous screen.
Stores the value and move to the next item.
MENU
IdAPC
Check
SET
APC
Reterns to the previous screen.
Stores the value and move to the next item.
• Reference adjustment menu.