6
4.5 USB Config command [NEEDS THOROUGH TESTING]
Default baud rate is 9600bps, ascii encoding
$R*press RST key, return KEY RST ROK<CR><LF>
$M*press MODE key, return KEY MODE MOK<CR><LF>
$G* Press GATE key return KEY GATE GOK<CR><LF>
$CXX* XX:0-63, setting LCD contrast, save in EEPROM, return SET LCD
CONTCOK<CR><LF>
$BXXXXX* setting baud rate, XXXXX 00480, 00960, 01920, 03840, 05760, 11520, Power off
without saving, return BOK<CR><LF>
$S* read statistics data
The following instructions are saved when the power is turned off:
$E2020* power up select CH1 frequency mode
$E2121* power up select CH1 frequency statistics mode
$E2222* power up select CH2 frequency mode
$E2323* power up select CH2 frequency statistics mode
$E3030* CH1 select 50R
$E3131* CH1 select 1MR
$E3232* Beep On.
$E3333* Beep Off
$E3434* open high precision mode [No idea what this does, comments?]
$E3535* closed high precision mode, all input frequency is 8 digits/second
$E3737* CH 1,closed CH 1 LPF
$E4040* select CH 1= 50R, input 10M 0dBm, calibration power meter used with $E4141*
command
$E4141* select CH1=50R, input 10M -20dBm, calibration power meter
4.6 Use notes
Keep away from high temperatures, and also from interfering signals. Power input must be less
than DC12.5V
5 Block diagram
[not in this document]
