TS440S.44 Subject: TS-440s (the whole scoop) ed: 26 May 86 17:45:45 GMT Organization: UCSD wombat breeding society The TS440 is nice. Here's what I've found out about it that isn't in the operation manual (in some random order): Diode options: There are a bunch of configuration options controlled by clipping or inserting diodes on the back of the control board. You get to it by taking the top and bottom covers off (a bunch of silver screws), loosening the front panel (4 flat-head silver screws, NOT the black ones). Then you have: diode controls in out (cut) ----- -------- ---------- ---------- D65 mode confirmation Morse single beep D66 display resolution 100 Hz 10 Hz D67 memory protect none on D73 CW shift 800 Hz 400 Hz D78 WARC 24MHx band tx disabled enabled D79 WARC 18MHz band tx disabled enabled D80 General Coverage tx disabled enabled Self-Test: You can run a rather complete test of the control logic by the built-in "semi-self-test", a series of 56 routines. To run this, turn the unit on whilst holding the AM and T-F SET switches pushed in. It changes to the next test when you turn the VFO knob clockwise. Turn the power OFF to reset the unit. Test What it does ---- --------------------------------------------------- 0 all positions in display light 1 all segments in display dark 2 all positions in display light 3 all segments in display dark 4 one digit lighted (rightmost) 5 next digit lighted 6 next digit lighted 7 next digit lighted 8 next digit lighted 9 next digit lighted 10 next digit lighted 11 next digit lighted 12 next digit lighted 13 next digit lighted 14 next digit lighted 15 next digit lighted 16 next digit lighted (leftmost) 17 feeper sounds 18 feeper silent 19 all mode LEDs ON 20 all mode LEDs OFF 21 receive 22 transmit