Icom IC-F70T Service Manual

5 - 7
SOFTWARE ADJUSTMENT (continued)
• Select an operation using [
↑
] / [
↓
]keys, then set specifi ed value using [
←
] / [
→
] keys on the connected computer keyboard
ADJUSTMENT ADJUSTMENT CONDITION
MEASUREMENT
VALUE
UNIT LOCATION
RX
SENSITIVITY
[BPF T1],
[BPF T2]
NOTE:
Need to adjust "S-METER ADJUSTMENT" after "RX SENSITIVITY ADJUSTMENT" is adjusted.
Otherwise, "S-METER ADJUSTMENT" will not be adjusted properly.
1
• Operating CH : CH 4 PC
screen
Connect the SINAD meter with
an 8
Ω
load to the JIG cable.
Minimum distortion
level
• Connect the SSG to the antenna connec-
tor and set as;
Frequency
Level
Modulation
Deviation
• Receiving
: 435.000 MHz [L]
485.000 MHz [H]
: +20 dBµ
†
(–87 dBm)
: 1 kHz
: ±3.0 kHz
[BPF T1 L],
[BPF T2 L]
2
• Operating CH
Frequency
• Receiving
: CH 5
: 400.000 MHz [L]
450.000 MHz [H]
[BPF T1 H],
[BPF T2 H]
3
• Operating CH
Frequency
• Receiving
: CH 8
: 470.000 MHz [L]
520.000 MHz [H]
CONVENIENT:
The BPF C/L/H can be adjustment automatically.
q
-1: Put the cursor on "BPF C/L/H ALL" and then push [ENTER] key.
q
-2: The connected PC tunes BPF C/L/H to peak levels.
or
w
-1: Put the cursor on the one of "BPF C/L/H" as desired.
w
-2: Push [ENTER] key to start tuning.
w
-3: Repeat
w
-1 and
w
-2 to perform additional BPF tuning.
Digital RSSI*
[Dig RSSI]
1
• Operating CH. : CH 9 Put the cursor on "Dig RSSI" and push the [ENTER] key to
set the Digial RSSI level.
• Connect the SSG to the antenna connec-
tor and set as;
Frequency
Level
Modulation
• Receiving
: 435.000 MHz [L]
485.000 MHz [H]
: –20 dBµ
†
(–127 dBm)
: No modulation
S-METER
[RSSI]
1
• Operating CH. : CH 4 Push the [ENTER] key on the connected computer's keyboard
to set "S3" level.
• Connect the SSG to the antenna connec-
tor and set as;
Frequency
Level
Modulation
Deviation
• Receiving
: 435.000 MHz [L]
485.000 MHz [H]
: +23 dBµ
†
(–84 dBm)
: 1 kHz
:
±
3.0 kHz
2
• Set the SSG as;
Level
• Receiving
: –7dBµ
†
(–114 dBm)
Push the [ENTER] key on the connected computer's keyboard
to set "S1" level.
SQUELCH
LEVEL
[SQL]
1 • Operating CH. : CH 4 Top
panel
Connect speaker to the JIG
cable.
Set the SQL level to
close squelch.
Then set SQL level
at the point where
the audio signals
just appears.
• Connect the SSG to the antenna connec-
tor and set as;
Frequency
Level
Modulation
Deviation
• Receiving
: 435.000 MHz [L]
485.000 MHz [H]
: –14dBµ
†
(–121 dBm)
: 1 kHz
:
±
3.0 kHz
†;
The output level of the standard signal generator (SSG) is indicated as the SSG's open circuit.
*; [IC-F80DT/DS] only

Icom IC-F70T Specifications

General

Brand	Icom
Model	IC-F70T
Category	Transceiver
Language	English