12014OTHER FUNCTIONS12345678910111213141516171819D Adjusting the transmit signal output fromthe TNCWhen setting data transmission speed to 9600 bps, the datasignal 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 0.7 V p-p, oth-erwise the transceiver will not be able to maintain the bandwidth and may possibly interfere with other stations.1. When using a level meter or oscilloscope, adjust theTX audio output level (DATA IN level) from the TNC asfollows.0.7 V p-p (0.35 V rms) : recommended level2. When NOT using a measuring device.q Connect the transceiver to a TNC.w Enter a test mode (“CALL”, etc.) on the TNC, then trans-mit some test data.e When the transceiver fails to transmit the test data ortransmits sporadically (TX indicator doesn’t appear orflashes):- Decrease the TNC output level until the transmit indi-cator lights continuously.When transmission is not successful even though theTX indicator lights continuously:- Increase the TNC output level.D Packet operation band selectionBoth bands, or either the left or right band only, can be spec-ified for packet operation to suit your preference.q Push [F• ] to display function guide.w Push [MENU](V/MHz•SCAN) (Right band’s) to enter MENUscreen.e Rotate [DIAL] to select “PACKET” then push[MAIN•BAND].r Rotate [DIAL] to select “PACKET BAND” then push[MAIN•BAND].t Rotate [DIAL] to select desired band from MAIN (default) ,left (L) and right (R), then push [MAIN•BAND].• MAIN : The main band is used for packet op-eration.• Left (L)/Right (r) : The selected left or right band can onlybe used for packet operation.y Push [BACK](V/MHz•SCAN) (Right band’s) twice to returnto frequency indication.
