Data Transmission Speed; Data Communication; Adjusting The Tnc Output Level; D Using A Level Meter Or Synchroscope - Icom i9100 Instruction Manual

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 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.

■ Adjusting the TNC output level

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.
Using a level meter or synchroscope
D
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)
0.2–0.5Vp-p
(0.1–0.25 Vrms)
Not using a measuring device
D
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.
173
: recommended level
: acceptable level
[∫] [√]
[MENU]
SET 9 6 0 0 b p s M o d e
Ù Ú
57
OFF (default)
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.
URL: http://www.icom.co.jp/world/index.html
[MAIN DIAL]
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