C-Link Protocol Commands
Keys/Display
Thermo Electron Corporation Model 48i Instruction Manual B-25
These commands set the span concentrations to user-defined values to
value, where value is a floating-point representation of the span
concentration in current selected units. The example below sets the span
concentration to 1000 ppm in the single range mode.
Send: set sp conc 1000
Receive: set sp conc 1000 ok
Keys/Display push button
button = | do | down | en | enter | he | help | le | left | me | menu | ri | right |
ru | run | up | 1 | 2 | 3 | 4 |
These commands simulates pressing the front panel pushbuttons. The
numbers represent the front-panel soft keys, from left to right.
Send: push enter
Receive: push enter ok
isc
iscreen
This command retrieves the framebuffer data used for the display on the
iSeries instrument. It is 19200 bytes in size, 2-bits per pixel, 4 pixels per
byte arranged as 320 by 240 characters. The data is sent in RLE encoded
form to save time in transmission. It is sent as a type '5' binary c_link
response with no checksum.
The RLE encoding consists of a 0 followed by an 8-bit count of consecutive
0xFF bytes. The following 'c' code will expand the incoming data.
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