Icom IC-7410 Service Manual - Page 25

Adjustments On The Function Display, Id Adjustments, Adjustment Menu

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4-6 ADJUSTMENTS ON THE FUNCTION DISPLAY 1) Connect the short plug (Page 4-1) to [REMOTE], and while holding down [MENU] and [SSB], turn ON the power. 2) The main adjustment menu appears. ¤ MAIN ADJUSTMENT MENU ADJ ID TX REF RX Select the ID adjustment (See below) Select the transmit adjustment (Page 4-8) ¤ ID ADJUSTMENTS Select the receive adjustment (Page 4-10) Select the reference frequency/APC reference adjustment (Page 4-9) ID 13.8 SET SET Stores the value and move to the next item. Reterns to the previous screen. MENU ADJUSTMENT ITEM TRANSCEIVER'S CONDITION OPERATION MEASURE ADJUST POINT POINT VALUE LOADING REFERENCE VOLTAGE • Display: "13.8 SET" • Receiving • Set the power supply voltage to - 13.8 V. - Push [F-5]. (A beep sounds, and then another beeps sound 0.5 sec. later) SETTING ID REFERENCE 1 • Display: "ID HF+1.0A" LEVEL • Transmitting • Connect a dummy load to [ANT1]. - - Push [F-5]. 2 • Display: "IPD HF+1.0A" • Transmitting ID ADJUSTMENT 1 • Display: "ID SET HF" 1) C o n n e c t a d u m m y l o a d t o Power - • Transmitting [ANT1]. supply line 2) Connect an ammeter to the power supply line. Push [F-5]. (Meaure the current and note it as the reference.) 2 • Display: "HFID1V" • Transmitting [MAIN DIAL] 1.0 A more than the reference. Push [F-5]. 3 • Display: "HFID2V" • Transmitting - Push [F-5]. (A beep sounds, and then another beeps sound 3 sec. later) 4 • Display: "HDID1V" • Transmitting [MAIN DIAL] 1.0 A more than "Step3." Push [F-5]. 5 • Display: "HDID2V" • Transmitting - Push [F-5]. (A beep sounds, and then another beeps sound 3 sec. later) 6 • Display: "HPID1V" • Transmitting - Push [F-5]. (A beep sounds, and then another beeps sound 3 sec. later) Automatically returns to the main adjustment menu. 4 - 7

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4 - 7
ADJUSTMENT ITEM
TRANSCEIVER'S
CONDITION
OPERATION
MEASURE
POINT
ADJUST
POINT
VALUE
LOADING REFERENCE
VOLTAGE
• Display: "13.8 SET"
• Receiving
•
Set the power supply voltage to
13.8 V.
–
–
Push [F-5].
(A beep sounds,
and then another
beeps sound
0.5 sec. later)
SETTING ID REFERENCE
LEVEL
1
• Display: "ID HF+1.0A"
• Transmitting
• Connect a dummy load to [ANT1].
–
–
Push [F-5].
2
• Display: "IPD HF+1.0A"
• Transmitting
ID ADJUSTMENT
1
• Display: "ID SET HF"
• Transmitting
1)
Connect a dummy load to
[ANT1].
2)
Connect an ammeter to the
power supply line.
Power
supply line
–
Push [F-5].
(Meaure the
current and
note it as the
reference.)
2
• Display: "HFID1V"
• Transmitting
[MAIN DIAL]
1.0 A more than
the reference.
Push [F-5].
3
• Display: "HFID2V"
• Transmitting
–
Push [F-5].
(A beep sounds,
and then
another beeps
sound 3 sec.
later)
4
• Display: "HDID1V"
• Transmitting
[MAIN DIAL]
1.0 A more than
"Step3."
Push [F-5].
5
• Display: "HDID2V"
• Transmitting
–
Push [F-5].
(A beep sounds,
and then
another beeps
sound 3 sec.
later)
6
• Display: "HPID1V"
• Transmitting
–
Push [F-5].
(A beep sounds,
and then
another beeps
sound 3 sec.
later)
Automatically returns to the main adjustment menu.
4-6 ADJUSTMENTS ON THE FUNCTION DISPLAY
1)
Connect the short plug (Page 4-1) to [REMOTE], and while holding down [MENU] and [SSB], turn ON the power.
2)
The main adjustment menu appears.
¤
ID ADJUSTMENTS
¤
MAIN
ADJUSTMENT MENU
ID
TX
REF
RX
ADJ
Select the ID adjustment (See below)
Select the transmit adjustment (Page 4-8)
Select the reference frequency/APC reference adjustment (Page 4-9)
Select the receive adjustment (Page 4-10)
MENU
13.8
SET
SET
ID
Reterns to the previous screen.
Stores the value and move to the next item.