Transmitter Adjustment; Hpf - Icom IC-F2610 Service Manual

5-5 TRANSMITTER ADJUSTMENT

ADJUSTMENT ADJUSTMENT CONDITIONS
OUTPUT 1 • Operating freq.
POWER
[[EUR-13], [[EUR-02], [EUR-72] only
• Enter Initial Set Mode No. 6.
Refer to page 5-2 for details.
FM 1 • Operating freq.
DEVIATION
• Enter Initial Set Mode No. 4.
Refer to page 5-2 for details.
• Connect an audio generator to the
microphone connector and set as:
1 kHz/35 mV
• Set an FM deviation meter as:

HPF

LPF
De-emphasis : OFF
Detector
• W/N setting
2 • W/N setting
DTCS WAVE 1 • Operating freq.
FORM AND
DEVIATION
• Enter Initial Set Mode No. 4.
Refer to page 5-2 for details.
• No AF signals are applied to the micro-
phone connector.
• Set an FM deviation meter as:
2
HPF
LPF
De-emphasis : OFF
Detector
• W/N setting
• DTCS code
• W/N setting
3
• Operating freq.
CTCSS 1
TONE
DEVIATION
• Enter Initial Set Mode No. 4.
Refer to page 5-2 for details.
• No AF signals are applied to the micro-
phone connector.
• Set an FM deviation meter as:
HPF
LPF
De-emphasis : OFF
Detector
• W/N setting
• CTCSS tone freq.
• W/N setting
2
[L]: [L-band (400–430 MHz)], [M]: [M-band (440–490 MHz)], [H]: [H-band (490–520 MHz)], [W]: 25 kHz, [N]: 12.5 kHz
: 400.000 MHz [L] Connect an RF power meter to
440.000 MHz [M] the antenna connector.
490.000 MHz [H]
465.000 MHz
NOTE: When the RF output power cannot be set with this proce-
: 400.000 MHz [L] Connect an FM deviation
440.000 MHz [M] meter to the antenna connec-
490.000 MHz [H] tor through an attenuator.
: OFF
: 20 kHz
: (P–P)/2
: Wide
: Narrow
: 415.000 MHz [L] Connect an FM deviation
465.000 MHz [M] meter with an oscilloscope to
505.000 MHz [H] the antenna connector through
an attenuator.
: OFF
: 20 kHz
: (P–P)/2
: Wide
: 007
: Narrow
: 415.000 MHz [L] Connect an FM deviation
465.000 MHz [M] meter to the antenna connec-
505.000 MHz [H] tor through an attenuator.
: OFF
: 20 kHz
: (P–P)/2
: Wide
: 88.5 Hz
: Narrow
5 - 5
MEASUREMENT
METHOD
24 W
10 W
10 W
5 W
dure, cloning may be necessary to cancel the output power
setting.
±4.0 kHz
±2.0 kHz
Set to flat wave
form
±0.7 kHz
±0.35 kHz
±0.7 kHz
±0.35 kHz
ADJUSTMENT
VALUE ADJUST
[25 W] Rotate volume
[10 W] control while
pushing .
P
3
[25 W] Rotate volume
[10 W] control while
pushing .
P
2
2.5 W Rotate volume
control while
pushing .
P
1
[W] Rotate volume
control while
pushing .
P
3
[N]
Rotate volume
control while
pushing .
P
1
[W] Rotate volume
control while
pushing .
P
2
[N]
Rotate volume
[W]
control while
pushing .
P
2
[N]