Icom IC-T90A Marine Radio User Manual


 
5 - 10
ADJUSTMENT MODE ADJUSTMENTS (Continued)
• The following adjustment must be performed at “ADJUSTMENT MODE”.
CTCSS
DEVIATION
(50 MHz)
(145 MHz)
(440 MHz)
DTCS
DEVIATION
(50 MHz)
(145 MHz)
(440 MHz)
ADJUSTMENT
ADJUSTMENT ADJUSTMENT CONDITION
MEASUREMENT
VALUE
POINT
UNIT LOCATION UNIT ADJUST
1
2
3
1
2
3
• Displayed frequency :
(CT ch.) 53.900 MHz
No audio applied to the [MIC]
jack.
• Set an FM deviation meter as:
HPF : OFF
LPF : 20 kHz
De-emphasis : OFF
Detector : (p-p)/2
• Output power : High
• Transmitting
• Displayed frequency :
(CT ch.) 145.000 MHz
• Transmitting
• Displayed frequency :
(CT ch.) 445.500 MHz
• Transmitting
• Displayed frequency :
(DS ch.) 51.000 MHz
No audio applied to the [MIC]
jack.
• Set an FM deviation meter as:
HPF : OFF
LPF : 20 kHz
De-emphasis : OFF
Detector : (p-p)/2
• Output power : High
• Transmitting
• Displayed frequency :
(DS ch.) 145.000 MHz
• Transmitting
• Displayed frequency :
(DS ch.) 445.500 MHz
• Transmitting
Top
Panel
Top
panel
Connect an FM
deviation meter to
the [ANT] connector
through an attenua-
tor.
Connect an FM
deviation meter to
the [ANT] connector
through an attenua-
tor.
± 0.55 kHz
± 0.55 kHz
± 0.65 kHz
± 0.5 kHz
± 0.6 kHz
± 0.6 kHz
Top
panel
Top
panel
[DIAL]
[DIAL]
[DIAL]
[DIAL]
[DIAL]
[DIAL]