User manual KENWOOD TH-42E

[. . . ] With a portable computer, allows you to enjoy Packet operation quite easily. · Includes a program for dealing with data formats supported by Automatic Packet/ Position Reporting System (APRS®) . · Is capable of receiving packet data on one band while receiving audio on another band. · Contains a total of 200 memory channels to program frequencies and other various data. [. . . ] For example, each press of [TNC] switches entry as A, B, C, a, b, c, then 2. Press [ENT] to switch among the special ASCII characters. Each time you switch the transceiver ON, "HELLO !!" appears and stays for approximately 1 second. You can program your favorite message in place of the factory default. 2 Press [1], [1], [1] to select "1­1­1 (PWR ON MSG)". · The display for entering a message appears; the first digit blinks. TRANSCEIVER LOCK This function prevents accidental changes, or unauthorized individuals from changing the transceiver settings. Press [F] (1 s) to switch the function ON (or OFF). · A key icon appears when the function is ON. STA ST CON 3 Press [UP]/ [DWN] to select a character. · You can enter alphanumeric characters plus special ASCII characters. 5 7 PACKET96BCONDUP ACKET96 9 4 Press [OK]. · The cursor moves to the next digit. 5 Repeat steps 3 and 4 to enter up to 8 digits. · Pressing [OK] after selecting the 8th digit completes the programming. · To complete programming the message after entering less than 8 digits, press [OK] twice. · Pressing [A/B] deletes the digit at which the cursor is blinking. You may want to use the Tuning control or [UP]/ [DWN] in Transceiver Lock mode. Access Menu 1­5­4 (TUNE ENABLE) and select "ON". 50 TX INHIBIT You can disable the transmit function to prevent unauthorized individuals from transmitting, or to eliminate the risk of accidentally transmitting by yourself. Access Menu 1­5­5 (TX INHIBIT) and select "ON". ADVANCED INTERCEPT POINT (AIP) The VHF band is often crowded in urban areas. AIP helps eliminate interference and reduce audio distortion caused by intermodulation. Access Menu 1­5­6 (TH-D7A) or Menu 1­5­8 (TH-42E) and select "ON". 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Note: When using the VHF band to transmit packets, do not switch the function ON. · Pressing the PTT switch after switching TX Inhibit ON causes the transceiver to generate an error beep and display "TX INHIBIT!". Note: x This transceiver does not allow you to use the AIP on the UHF band. 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]. 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. 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. 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. [. . . ] Selects 4800 or 9600 bps as the transfer rate between the TNC and the GPS receiver. Specifies the content of data to be output to the GPS receiver; this data is used to program the default settings on the receiver. Specifies the type of a message to be determined by LTEXT. 100 Command Name HBAUD LOCATION Short HB LOC Default 1200 EVERY 0 Parameter 1200/ 9600 Description Selects 1200 or 9600 bps as the transfer rate between packet stations. EVERY/ If set to EVERY, sends GPS data at intervals of the specified AFTER n period (n). If set to AFTER, sends GPS data only once after (n = 0 ~ 250) the specified period (n). [. . . ]