Icom IC-E7 Service Manual page 16

5-3 SIGNALING AND RECEIVE ADJUSTMENT
• Set the specifi ed value using [DIAL], and push [BAND] to store the set value. Then, push [CALL] to move to the next adjustment item.
NOTE: "DTCS BALANCE" should be adjusted before "CTCSS DEVIATION," and "RX SENSITIVITY" should be adjusted before
"FM/WFM S-METER" (on the next page).
ADJUSTMENT ITEM
DTCS LEVEL 1 • Push [CALL] (No adjustment)
(VHF)
[dt1]
(UHF) 2 • Push [CALL] (No adjustment)
[dt2]
DTCS BALANCE 1 •
(VHF)
[db1]
(UHF) 2 • Transmitting
[db2]
CTCSS DEVIATION 1 •
(VHF)
[Ct1]
(UHF) 2 • Transmitting
[Ct2]
RX SENSITIVITY 1 •
[t11]
2 •
[t21]
3 •
[t31]
4 •
[t12]
[t22] 5 •
[t32] 6 •
[t13] 7 •
[t23] 8 •
[t33] 9 •
[t14] 10 •
[t24] 11 •
[t34] 12 •
The output level of the standard signal generator (SSG) is indicated as the SSG's open circuit.
†
*Displayed on the function display.
Otherwise, these adjustments will not be adjusted properly.
ADJUSTMENT CONDITION
No audio signal is applied to the [MIC/SP] jack.
• Connect a modulation analyzer with an osciloscope to the antenna connec-
tor through an attenuator, and set the modulation analyzer as;
De-emphasis
HPF : OFF
LPF : 20 kHz Detector
• Transmitting
No audio signal is applied to the [MIC/SP] jack.
• Set the modulation analyzer as the same as " DTCS BALANCE".
•
Transmitting
Connect an SSG to the antenna connector and set as;
Frequency : Specifi ed frequency*
• Receiving
Set the SSG as;
Frequency : Specifi ed frequency*
• Receiving
Set the SSG as;
Frequency : Specifi ed frequency*
• Receiving
Set the SSG as;
Frequency : Specifi ed frequency*
• Receiving
Set the SSG as;
Frequency : Specifi ed frequency*
• Receiving
Set the SSG as;
Frequency : Specifi ed frequency*
• Receiving
Set the SSG as;
Frequency : Specifi ed frequency*
• Receiving
Set the SSG as;
Frequency : Specifi ed frequency*
• Receiving
Set the SSG as;
Frequency : Specifi ed frequency*
• Receiving
Set the SSG as;
Frequency : Specifi ed frequency*
• Receiving
Set the SSG as;
Frequency : Specifi ed frequency*
• Receiving
Set the SSG as;
Frequency : Specifi ed frequency*
• Receiving
: OFF
: (P–P)/2
Level : 0 dBµ † (−107 dBm)
5 - 4
VALUE
−
Set to square wave
form
±0.75 kHz
Push [FUNC]+[BAND]
(Automatic adjustment)