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OTHER FUNCTIONS
DAdjusting the transmit signal output from
the TNC
When setting data transmission speed to 9600 bps, the data
signal coming from the TNC is applied exclusively to the in-
ternal limiter circuitry to automatically maintain band width.
NEVER apply data levels from the TNC of over 0.6 Vp-p, oth-
erwise the transceiver will not be able to maintain the band
width and may possibly interfere with other stations.
1.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 Vp-p–0.5 Vp-p (0.1 Vrms–0.25 Vrms) : acceptable level
2.When NOT using a measuring device.
q Connect the transceiver to a TNC.
w Enter a test mode (“CAL”, etc.) on the TNC, then transmit
some test data.
e
When the transceiver fails to transmit the test data or trans-
mits sporadically (TX indicator doesn’t appear or flashes):
- Decrease the TNC output level until the transmit indicator
lights continuously.
When transmission is not successful even though the TX
indicator lights continuously:
- Increase the TNC output level.
■ Video monitor function
The LCD can be used as a video monitor for an NTSC or PAL
video signal.
NTSC : U.S.A., Australia, Asia, Latin America, Korea and
Taiwan versions
PAL : Europe and Italy versions
q Push [DISP] to enter display set mode.
•Push [CHG/L] if [DISP] is not displayed.
w Push [ ] to monitor a video signal.
•The video signal is displayed on the LCD.
e Push any switch except [POWER] to return to display set
mode.
r Push [ï] to exit display set mode.
to
[VIDEO IN]