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PK-232 MBX Operating Manual - N3UJJ

PK-232 MBX Operating Manual - N3UJJ

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_______________________________________________________________________________<br />

BText text<br />

Default: empty<br />

Mode: Packet<br />

Host: BT<br />

_________________________________ Parameters: _________________________________<br />

text - Any combination of characters up to a maximum length of 120 characters.<br />

_______________________________________________________________________________<br />

BTEXT is the content of the data portion of a beacon packet. The default text<br />

is an empty string (no message). When and how packet beacons are sent is<br />

discussed in more detail under the BEACON command.<br />

Although the beacon subject is controversial in packet circles, you can use<br />

beacon texts intelligently and benefit the packet community.<br />

o Don't type your call sign in BTEXT - the normal packet header shows it.<br />

o Don't fill BTEXT with screen graphics. Use BTEXT for meaningful<br />

information.<br />

o After you've beaconed for a week or two and people know who you are, follow<br />

the practice used by more experienced packeteers: SET BEACON EVERY 0!<br />

o Use a "%," "&", "N," "NO," "NONE," or OFF as the first characters in the<br />

text to clear the BTEXT text.<br />

_______________________________________________________________________________<br />

CALibrate<br />

Immediate Command<br />

Mode: Command<br />

Host: Not Supported<br />

_______________________________________________________________________________<br />

CALIBRATE is an immediate command that starts the AFSK transmit tone calibration.<br />

The <strong>PK</strong>-<strong>232</strong> provides a continuous on-screen display of AFSK generator tone<br />

frequencies in Hertz. The frequency is displayed approximately twice per<br />

second, with the part number of the potentiometer associated with that tone.<br />

When Calibration is checked all packet connections will be lost, and the timeof-day<br />

clock will not advance until you quit the calibration routine.<br />

Commands available in the calibration routine are:<br />

K<br />

Q<br />

H<br />

<br />

D<br />

Toggles the <strong>PK</strong>-<strong>232</strong>'s PTT and CW keying outputs between ON and OFF.<br />

Quits the calibration routine.<br />

Toggles the generator between wide (1000 Hz) and narrow (200 Hz) shift.<br />

Toggles the audio tone between "mark" (low) and "space" (high) tones.<br />

Toggles between transmitting a continuous tone or alternating the mark<br />

and space tones at a rate set by the radio baud (HBAUD) rate.<br />

FREQUENCY RESISTOR FUNCTION<br />

2310 R164 HF SPACE, RTTY SPACE<br />

_____________________________________________________________________<br />

2200 R165 VHF SPACE, WIDESHIFT SPACE<br />

_____________________________________________________________________<br />

1200 R167 VHF MARK, CW AFSK, WIDESHIFT MARK<br />

This tone should be adjusted before R168<br />

_____________________________________________________________________<br />

2110 R168 HF MARK, RTTY MARK<br />

_____________________________________________________________________<br />

4/91 A-21<br />

From The <strong>N3UJJ</strong>.COM Document Library

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