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XIEGU G90 CHEAT SHEET 

 

 

 

 

 

 

 

 

 

 

 

 

 

This cheat sheet is intended to augment the current G90 user manual (and there are several versions) 

and reflects the G90’s 

functionality 

with version ‘V1.75 Final’ of its firmware.

 

Use the first column to look up the various G90 controls or buttons. Use the 

second column to look up the G90 supported functions (i.e. RF Gain, VOX, etc.).

  

Also, see the release notes at the very end to get an 

idea when various features first appeared in the G90 firmware.   9/15/20   KE8WO  

CONTROLS AND 
BUTTONS 

SUPPORTED 
FUNCTIONS 

 
NOTES

 

Power Button 

Power On or Off 
 
Display Off

 

 

Longer press to power on the G90 Note: If some program is active using the Comm (CAT) port, 
please remove the CAT cable before powering on the G90. Else the G90 may not start and look 
‘dead’. If so, remove power from the G90 and unplug the CAT cable .. then power up the G90 
normally. 

 

Longer press to power off   

 

A short press will turn off the G90 display, but the radio continues to operate.  A short press or 
using any other G90 control will restore the display. 

“Vol” 

Audio Output Level

 

 

Note: press this control to route the audio signal to headphones or other audio device plugged into 
the headphone icon jack on the left side of the G90. Note: the headphone output is intended to drive 
head phones only and not an unpowered external speaker.  

Unmarked 
Lower Left 
Rotary Control 
(‘MFC’) 

MultiFunction Control 
(‘MFC’) 

used for a 

variety of purposes. 
 

DSP Filter Center 
Frequency and 
Bandwidth

 

.

A short press of the MFC begins a DSP filter configuration process: 

 

With the first MFC press, a display of "Cxxx"("xxx" is the center freq) with a vertical green 
line at the center allows using the MFC to set the filters center frequency.

 

 

With the second MFC press a display of "Bxxx"("xxx" is the bandwidth) with two vertical 
green lines at the sides allows using the MFC 

to set the filter’s bandwidth.

 

 

The last press of the MFC completes the process.

 

Содержание G90

Страница 1: ...mally Longer press to power off A short press will turn off the G90 display but the radio continues to operate A short press or using any other G90 control will restore the display Vol Audio Output Le...

Страница 2: ...Gain thereafter the MFC will be used to set the G90 s RF gain from 1 to 100 Note that a long press of the AGC button also allows access to the RF Gain setting Right Unmarked Rotary Control Tuning This...

Страница 3: ...ton 4 LCD BL rotate the tuning control to specify the desired brightness of the display from 10 to 100 5 AUX IN Volume use the tuning control to specify the desired ACC port s Aux In volume from 0 to...

Страница 4: ...long press of the KEY button will change the bottom portion of the display where the G90 will attempt to decode and display the characters as CW is being received Another long press will turn it off N...

Страница 5: ...POW Input Source and Mic Gain Input use the volume control to select Line the ACC port or Mic Press POW Mic Gain use the Volume control to select the gain from 0 to 20 Press the volume control to end...

Страница 6: ...it operation is in use VFO A is the receive frequency and VFO B is the transmit frequency FUNC Button and then press the Volume Control VOX Configuration After pressing this button sequence the VOX op...

Страница 7: ...quires a baud rate of 19200 for the computer s serial port See the G90 manual for the ACC port Mini Din 8 pins Just three pins are used Aux AF IN Aux AF Out and Ground See this YouTube video for compr...

Страница 8: ...x low level AC signal on the order of 50 or so millivolts or 100 millivolts peak to peak Depending on the sound card used to sample the IQ signal s sample rate the spectrum may be at least twice what...

Страница 9: ...te desired o Select your sound card and the I Q as the input signal source for HDSDR or SDR o Select the desired bandwidth sample rate to be used o There are options to set up CAT operation with the G...

Страница 10: ...1 KHZ Other broad noise pulses are unknown Note Below is an example of a computer spectrum display of the G90 IQ signal Very noisy Ferrites on the power supply and signal leads did not help this Howev...

Страница 11: ...up just set it to 0 it neither damage the rig nor degrade the performance 6 Band stack mode Long press FUNC key and entering system menu at item 8 Band Stack Mode it can be set as HAM Band Full Band 7...

Страница 12: ...V1 74 Release This update is based on the function of version 1 74 beta which mainly focuses on optimization with no functions added or deleted 1 Fixed the problem that MIC Gain is relatively high 2 A...

Страница 13: ...ing Band Up Down Keys 2 New Multi Function Knob MFK Operation Logic Long Press MFK to Activate Selection Process 3 Add RF GAIN to MFK Function List So RF Gain May Be Always Easily Available 4 New Filt...

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