X-Git-Url: https://sigrok.org/gitweb/?p=libsigrok.git;a=blobdiff_plain;f=README.devices;h=fefbfc470ae7c8e67a663cd53324ffa11f2a846f;hp=ae3ac5098a38b9312ca1a6195b1ee6cd6efee6db;hb=7ab89f4827d516313cafc9b7b9670ee99dc9c584;hpb=c77ed446f2c08e2906883023c85feafa19a0ec10 diff --git a/README.devices b/README.devices old mode 100755 new mode 100644 index ae3ac509..fefbfc47 --- a/README.devices +++ b/README.devices @@ -215,7 +215,7 @@ UNI-T UT-D04 cable issue on Linux --------------------------------- The UNI-T UT-D04 cable with Hoitek HE2325U (or WCH CH9325) chip seems to have -a very specific problem on Linux. Apparently it requires a to be put into +a very specific problem on Linux. Apparently it requires to be put into suspend (and woken up again) before it is usable. This seems to be a Linux-only issue, Windows is not affected by this since apparently the Windows kernel does this for every USB device, always. @@ -234,6 +234,24 @@ See also: http://erste.de/UT61/index.html done +Enabling multimeter / data logger measurement output +---------------------------------------------------- + +Some multimeters or data loggers will not start outputting measurement data +unless a certain action has been performed by the user beforehand. This is +usually mentioned in the vendor manual of the respective device, but here's +a short list for convenience: + + - Digitek DT4000ZC: Briefly press the "RS232" button. + - PCE PCE-DM32: Briefly press the "RS232" button. + - RadioShack 22-812: Press and hold "SELECT" and "RANGE" together. + - TekPower TP4000ZC: Briefly press the "RS232" button. + - UNI-T UT61D: Press the "REL/RS232/USB" button for roughly 1 second. + - V&A VA18B: Keep the "Hz/DUTY" key pressed while powering on the device. + - Victor 70C: Press the "REL/RS232" button for roughly 1 second. + - Victor 86C: Press the "REL/RS232" button for roughly 1 second. + + ALSA driver -----------