diff --git a/doc/user_guide/images/RadioTab.png b/doc/user_guide/images/RadioTab.png index 7707233e8..b726df366 100644 Binary files a/doc/user_guide/images/RadioTab.png and b/doc/user_guide/images/RadioTab.png differ diff --git a/doc/user_guide/images/settings-audio.png b/doc/user_guide/images/settings-audio.png index faff49e7a..fdf6a26e1 100644 Binary files a/doc/user_guide/images/settings-audio.png and b/doc/user_guide/images/settings-audio.png differ diff --git a/doc/user_guide/images/settings-frequencies.png b/doc/user_guide/images/settings-frequencies.png index c4ddae04d..a5b361b7f 100644 Binary files a/doc/user_guide/images/settings-frequencies.png and b/doc/user_guide/images/settings-frequencies.png differ diff --git a/doc/user_guide/images/settings-general.png b/doc/user_guide/images/settings-general.png index cf0a9de6f..2ae1e872c 100644 Binary files a/doc/user_guide/images/settings-general.png and b/doc/user_guide/images/settings-general.png differ diff --git a/doc/user_guide/introduction.adoc b/doc/user_guide/introduction.adoc index f26469770..a775e6d0f 100644 --- a/doc/user_guide/introduction.adoc +++ b/doc/user_guide/introduction.adoc @@ -6,10 +6,10 @@ the program name stand for “Weak Signal communication by K1JT,” while the suffix “-X” indicates that _WSJT-X_ started as an extended (and experimental) branch of the program _WSJT_. -_WSJT-X_ offers four protocols or “modes”: JT4, JT9, JT65 and WSPR. -The first three are designed for making reliable, confirmed QSOs under -extreme weak-signal conditions. They use nearly identical message -structure and source encoding. JT65 was designed for EME +_WSJT-X_ Version 1.6 offers four protocols or “modes”: JT4, JT9, JT65 +and WSPR. The first three are designed for making reliable +QSOs under extreme weak-signal conditions. They use nearly identical +message structure and source encoding. JT65 was designed for EME (“moonbounce”) on the VHF/UHF bands and has also proven very effective for worldwide QRP communication on the HF bands. JT9 is optimized for the LF, MF, and lower HF bands. It is about 2 dB more sensitive than @@ -21,7 +21,7 @@ minimal QSO takes four to six minutes — two or three transmissions by each station, one sending in odd UTC minutes and the other even. On the HF bands, world-wide QSOs are possible using power levels of a few watts and compromise antennas. On VHF bands and higher, QSOs are -possible (by EME and other propagation methods) at signal levels 10 to +possible (by EME and other propagation types) at signal levels 10 to 15 dB below those required for CW. WSPR (pronounced “whisper”) stands for Weak Signal Propagation diff --git a/doc/user_guide/system-requirements.adoc b/doc/user_guide/system-requirements.adoc index b7b9ce004..a9f09e160 100644 --- a/doc/user_guide/system-requirements.adoc +++ b/doc/user_guide/system-requirements.adoc @@ -4,8 +4,9 @@ - Computer running Windows (XP or later), Linux, or OS X - 1.5 GHz or faster CPU and 200 MB of available memory - Monitor with at least 1024 x 780 resolution -- Computer-to-radio interface using a serial port for T/R switching, - or CAT control, or VOX, as required for your radio-to-computer connections +- Computer-to-radio interface using a serial port or equivalent USB + device for T/R switching, or CAT control, or VOX, as required for + your radio-to-computer connections - Audio input and output devices supported by the operating system and capable of 48 kHz sample rate - Audio or equivalent USB connections between transceiver and computer diff --git a/doc/user_guide/transceiver-setup.adoc b/doc/user_guide/transceiver-setup.adoc index 9a270e1b5..90f62a887 100644 --- a/doc/user_guide/transceiver-setup.adoc +++ b/doc/user_guide/transceiver-setup.adoc @@ -8,11 +8,11 @@ button to return to normal receive operation. - Use the receiver gain controls and/or the computer's audio mixer controls to set the background noise level (scale at lower left of -main window) to around 30 dB when no signals are present. You may -find it best to reduce the RF gain control so as to minimize AGC -action. If necessary you can also adjust the slider next to the dB -scale, but note that the overall dynamic range will be best with this -slider not too far from its mid-point. +main window) to around 30 dB when no signals are present. It is +usually best to turn AGC off or reduce the RF gain control to minimize +AGC action. If necessary you can also adjust the slider next to the +dB scale, but note that the overall dynamic range will be best with +this slider not too far from its mid-point. .Bandwidth and Frequency Setting diff --git a/doc/user_guide/wsjtx-main.adoc b/doc/user_guide/wsjtx-main.adoc index 7667f007e..524e4f2f0 100644 --- a/doc/user_guide/wsjtx-main.adoc +++ b/doc/user_guide/wsjtx-main.adoc @@ -99,7 +99,8 @@ include::transceiver-setup.adoc[] == Basic Operating Tutorial Sections <> through <> are keyed to the -needs of operation on the HF bands. Section <> has +needs of basic operation for two-way QSOs on the HF bands. Section +<> deals with WSPR mode, and section <> has additional details of special relevance to VHF-and-up operation. [[TUT_MAIN]]