README.devices: Document enabling GW Instek GDM-397 serial output mode.

[libsigrok.git] / README.devices

diff --git a/README.devices b/README.devices
index 32e2ffc00efa435a20397490fbd17d8771c8b611..37e0525c44330bd307999ebc47c8e85c79a4a24b 100644 (file)
--- a/README.devices
+++ b/README.devices
@@ -185,6 +185,7 @@ Formal syntax for serial communication:
    conn=hid[/<chip>]/usb=<bus>.<dev>[.<if>]
    conn=hid[/<chip>]/raw=<path>
    conn=hid[/<chip>]/sn=<serno>
+   conn=hid[/<chip>]/iokit=<path>
    chip can be: bu86x, ch9325, cp2110, victor
    path may contain slashes
    path and serno are "greedy" (span to the end of the spec)
@@ -389,6 +390,7 @@ a short list for convenience:
       'SI232 online' (28-29S) or 'SI232 store' (22-26x). The interface must
       be configured to the same baud rate as the host (default 9600).
       Multimeter and interface must be configured to the same address.
+ - GW Instek GDM-397: Press the "REL/RS232C (USB)" button for roughly 1 second.
  - MASTECH MS6514: Press the "Setup/PC-Link" button for roughly 3 seconds.
  - Metrix MX56C: Press the PRINT button to have the meter send acquisition
    data via IR. Hold the PRINT button to adjust the meter's transmission
@@ -403,6 +405,7 @@ a short list for convenience:
  - UNI-T UT61B/C/D: Press the "REL/RS232/USB" button for roughly 1 second.
  - UNI-T UT71x: Press the "SEND/-/MAXMIN" button for roughly 1 second.
    Briefly pressing the "EXIT" button leaves this mode again.
+ - UNI-T UT181A: In the "SETUP" menu set "Communication" to "ON".
  - UNI-T UT325: Briefly press the "SEND" button (as per manual). However, it
    appears that in practice you don't have to press the button (at least on
    some versions of the device), simply connect the device via USB.