Icom IC-F50 Service Manual page 56

SOFTWARE ADJUSTMENT(TRANSMITTING) – continued
Select an operation using [↑] / [↓] keys, then set specified value using [←] / [→] keys on the connected computer keyboard.
ADJUSTMENT
MODULATION 1 • Operating CH
BALANCE • No audio applied to the [MIC] input.
[BAL N] • Set an FM deviation meter as:
(Narrow) HPF
LPF
De-emphasis : OFF
Detector
• IF bandwidth
• Transmitting
[BAL Ratio] 2 • Operating CH
(Middle) • Transmitting
[BAL Ratio] 3 • Operating CH
(Wide) • Transmitting
CTCSS/DTCS • Operating CH
DEVIATION • No audio applied to the [MIC] input.
[CTCS/DTCS] • Transmitting
ADJUSTMENT CONDITION
: CH7
: OFF
: 20 kHz
: (P–P)/2
: Narrow
: CH8
: CH9
: CH10
MEASUREMENT
UNIT LOCATION
Top Connect an FM deviation
panel meter with an oscilloscope to
the antenna
through an attenuator.
Top Connect an FM deviation
panel meter to the antenna connec-
tor through the attenuator.
5 - 5
VALUE
Set to square wave
form
connector
±0.68 kHz