Icom IC-9100 Instruction Manual - Page 182

Adjusting the TNC output level, Data transmission speed - usb driver

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15 DATA COMMUNICATION ■ Data transmission speed In the FM data mode, the data transmission speed can be set to 9600 bps, only when the data is output from the pin 3 of the [DATA2] socket. q H old down [MENU] for 1 second to enter the Set mode. w P ush [Y](F-1) or [Z](F-2) to select "9600bps Mode." e R otate [MAIN DIAL] to turn the 9600 bps mode ON or OFF. • ON : 9600 bps data speed • OFF : Disables data transmission at 9600 bps. This is used for only regular audio or slower data transmission. r Push [MENU] to save and exit the Set mode. [∫] [√] [MENU] [MAIN DIAL] SET 9 6 0 0 b p s M o d e Ù 57 Ú OFF (default) OFF ■ Adjusting the TNC output level When the data transmission speed is set to 9600 bps, the data signal coming from the TNC is applied exclusively to the internal limiter circuitry to automatically maintain band width. NEVER apply data levels from the TNC of over 0.6 Vp-p. Otherwise the transceiver will not be able to maintain the band width, and your transmitted signal may possibly interfere with other stations. D Using a level meter or synchroscope When using a level meter or synchroscope, adjust the TX audio output level (DATA IN level) from the TNC as follows. 0.4 Vp-p (0.2 Vrms) : recommended level 0.2-0.5Vp-p (0.1-0.25 Vrms) : acceptable level D Not using a measuring device q Connect the TNC to the transceiver. (p. 171) w E nter a test mode ("CAL," etc.) on the TNC, then transmit some test data. e If the transceiver fails to transmit the test data, or transmits sporadically, (TX/RX indicator doesn't light or it flashes): - Decrease the TNC output level until the transmit indicator lights continuously. If transmission is not successful, even though the TX indicator lights continuously: - Increase the TNC output level. 173 INFORMATION! When "RTTY" is selected as the "USB2/DATA1 Func" (63) item option in the Set mode, the USB port sends RTTY decode signal. In this case, you must connect a USB cable* between the transceiver's USB port on the rear panel and the PC. (p. 167) *Purchase separately • T he USB driver and the installation guide can be down- loaded from our website. URL: http://www.icom.co.jp/world/index.html

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173
15
DATA COMMUNICATION
When the data transmission speed is set to 9600 bps,
the data signal coming from the TNC is applied exclu-
sively to the internal limiter circuitry to automatically
maintain band width.
NEVER
apply data levels from the TNC of over
0.6 Vp-p. Otherwise the transceiver will not be able to
maintain the band width, and your transmitted signal
may possibly interfere with other stations.
D
Using a level meter or synchroscope
When using a level meter or synchroscope, adjust the
TX audio output level (DATA IN level) from the TNC as
follows.
0.4 Vp-p
(0.2 Vrms)
: recommended level
0.2–0.5Vp-p
(0.1–0.25 Vrms)
: acceptable level
D
Not using a measuring device
q
Connect the TNC to the transceiver. (p. 171)
w
Enter a test mode (“CAL,” etc.) on the TNC, then
transmit some test data.
e
If the transceiver fails to transmit the test data, or
transmits sporadically, (TX/RX indicator doesn’t
light or it flashes):
- Decrease the TNC output level until the transmit
indicator lights continuously.
If transmission is not successful, even though the
TX indicator lights continuously:
- Increase the TNC output level.
■
Adjusting the TNC output level
■
Data transmission speed
In the FM data mode, the data transmission speed can
be set to 9600 bps, only when the data is output from
the pin 3 of the [DATA2] socket.
q
Hold down [MENU] for 1 second to enter the Set
mode.
w
Push [
Y
](F-1) or [
Z
](F-2) to select “9600bps
Mode.”
e
Rotate [MAIN DIAL] to turn the 9600 bps mode ON
or OFF.
• ON
: 9600 bps data speed
• OFF : Disables data transmission at 9600 bps.
This is used for only regular audio or slower
data transmission.
r
Push [MENU] to save and exit the Set mode.
[
∫
][
√
]
[MAIN DIAL]
[MENU]
OFF (default)
Ù
57
Ú
OFF
SET
9600bps Mode
INFORMATION!
When “RTTY” is selected as the
“
USB2/DATA1 Func
”
(63) item option in
the Set mode, the USB port sends
RTTY decode signal. In this case, you must connect
a USB cable* between the transceiver’s USB port on
the rear panel and the PC. (p. 167)
*Purchase separately
• The USB driver and the installation guide can be down
-
loaded from our website.