Transmit Adjustment - Icom IC-E2820 Service Manual

5-3 TRANSMIT ADJUSTMENTS
¤ TRANSMIT OUTPUT POWER ADJUSTMENT
• CONNECTIONS FOR TX POWER ADJUSTMENT
RF POWER METER
(100 W/50 Ω)
ADJUSTMENT ITEM
144 MHz BAND (Band
TRANSMIT OUTPUT Low)
POWER [L PHL]
(HI POWER)
(Band
High)
[L PHH]
(MID POWER) (Band
Low)
[L PML]
(Band
High)
[L PMH]
(LOW POWER) (Band
Low)
[L PLL]
(Band
High)
[L PLH]
430 MHz BAND (Band
TRANSMIT OUTPUT Low)
POWER [R PHL]
(HI POWER)
(Band
High)
[R PHH]
(MID POWER) (Band
Low)
[R PML]
(Band
High)
[R PMH]
(LOW POWER) (Band
Low)
[R PLL]
(Band
High)
[R PHH]
To J1
ADJUSTMENT CONDITIONS
1 • Connect an RF Power Meter to the
antenna connector (J1).
• Transmitting
2
3
4
5
6
1 • Connect an RF Power Meter to the
antenna connector (J1).
• Transmitting
2
3
4
5
6
5 - 3
IC-E2820
DC power supply
(13.8 V/20 A)
−
⊕
Fuses
−
Black
20 A
⊕
Red
OPERATION
Rotate the right band's [DIAL] to
adjust the transmit output power,
then push the right band's [MAIN
•BAND] key during transmit.
Rotate the right band's [DIAL] to
adjust the transmit output power,
then push the right band's [MAIN
•BAND] key during transmit.
VALUE
50 W
15 W
5 W
50 W
15 W
5 W