2013.01.20.
ver5.33, 4.33
Please use the web upgrade only for these hex files!
This is the first version that supports the new hand controller (shipping from dec 2012).
Pulsar2 with hardware version 1.1 cannot be used with the new hand controller.
 You find your hw version in the System menu.

new features:
new menu for handling the GPS (user parameters/Read GPS) Yes=time and lat/long updated every 
time the unit is switched on.
No=GPS inactive

bugfixes:
occasional unwanted stopping of either motor
Ra position owerflow error in extreme situations (>6h tracking past the meridian)
LAN connection problem with hardware 1.1 only

4.20, 5.20 2012.04

bugfixes:
meridian info lost if swaptube interrupted, corrected
all motions can now be interrupted with the CE key
dec motor rotation handling corrected in "get reference" menu.

new features
swaptube direction can be set in the Polecross menu (south/north)
5.20 only, all gotos and key actions are logged and can be saved to PC via the usb port.
To save, select "USB drive" mode in System/USB mode menu, click right with the joystick
 and connect to the PC. 
You will see a new drive with the log file on it.

fw 4.20 is for hw 1.1
fw 5.20 is for hw 2.2
the x.bin file is for USB upgrade with SamProg, under Win XP ONLY (no "compatible mode" emulations)
the x.hex file is for webupgrade, OS independent