User manual KENWOOD TH-D7E

[. . . ] INSTRUCTION MANUAL 144/440 MHz FM DUAL BANDER TH-D7A TH-D7E 144/430 MHz FM DUAL BANDER STA ST CON 5 7 PACKET96BCON ACKET96 BCONDUP 9 KENWOOD CORPORATION © B62-1004-20 (K, E) (A) 09 08 07 06 05 04 03 02 THANK YOU! We are grateful you decided to purchase this KENWOOD FM Dual Bander. KENWOOD always provides Amateur Radio products which surprise and excite serious hobbyists. This time KENWOOD presents a handheld with a built-in TNC to make data communications much more convenient than before. KENWOOD believes that this product will satisfy your requests on both voice and data communications. FEATURES This transceiver has the following main features. [. . . ] You can type commands from the computer keyboard to change the settings on the TNC. When in Converse mode, press [Ctrl]+[C] on the keyboard to restore the Command mode. 2. 5 mm (1/10") 3-conductor plug RXD2 DB-9 connector Pin No. t e Pin Name GND TXD RXD · Converse mode The TNC enters this mode when a linkage with the target station is established. On the computer keyboard, type an appropriate command and if necessary a message, then press [Enter] or [Return]. What you type is converted into packets and transmitted over the air. When in Command mode, type CONVERSE to restore the Converse mode; you can also type CONV or K instead. TXD1 GND3 1 2 3 w To RXD on PC To TXD on PC To GND on PC Note: When the built-in TNC is ON, some internal frequency relationships may induce an internal heterodyne and cause the squelch to be opened unexpectedly. Shifting the interference will solve this problem. Press [TNC]+ POWER ON to access "BEAT SHIFT". Press [UP]/ [DWN] to select "UPPER". The default is "NORMAL". For the commands supported by the built-in TNC, see "TNC COMMANDS LIST" on page 99. 53 PREPARATION FLOW 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 The following steps should guide you to a good start of packet operation. The shaded steps indicate operations on your personal computer. First connect the transceiver to the personal computer {page 53}. Note: You may switch Battery Saver OFF {page 49} to prevent the initial portion of a received packet from being missed. y To select 9600 bps as the transfer rate from/to the target station, type HBAUD (or HB) 9600 and press [Enter] or [Return]. The default is 1200 bps. · You must select the same transfer rate as the target station. q Install an appropriate communications program on the personal computer. · A variety of freeware or shareware programs can be obtained in various ways. Consult your reference material or other "packeteers". u Type MYCALL (or MY) then your call sign (9 digits max. ) and press [Enter] or [Return] to set your call sign on the TNC. · You cannot use the default setting (NOCALL). i Tune to an appropriate frequency. · First you may want to monitor packets which are transmitted among other stations. When packets are received, text appears and the computer screen scrolls. w Initiate the communications program and set the following parameters on the personal computer: · · · · · Transfer rate (TNC <­> Computer): 9600 bps Data length: 8 bit Stop bit: 1 bit Parity: Non Flow control: Xon/Xoff o To connect with the target station, type CONNECT (or C) then its call sign and press [Enter] or [Return]. · When a linkage is established, a message which informs you of it appears on the computer screen; " appears. on the transceiver display, " · If packets from other stations keep your squelch open, adjust the squelch level in advance. The TNC cannot transmit in such a situation. e Access Menu 1­4­1 to select band A or B as the data band {page 55}. r Press [TNC] to switch ON the TNC. ·" " appears. t Press [TNC] again to enter Packet mode. · "PACKET" also appears. !0 Send appropriate commands and, if necessary, messages to the target station via the TNC. 54 SELECTING DATA BAND This transceiver is capable of receiving packet data on one band (data band) while receiving audio on another band. Select band A or B as the data band for receiving or transmitting packets. " " indicates the current data band; the default is band A. Access Menu 1­4­1 (DATA BAND) and select band A or B. FULL DUPLEX This transceiver is also capable of simultaneously transmitting and receiving signals. [. . . ] 20 Reset Full . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Partial (VFO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Reverse Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Scan Call/Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ]