"Pre Cablibration". ??

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Tim Padrick

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Oct 25, 2016, 7:39:40 PM10/25/16
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I just got an RF Explorer ISM Combo.  At power-up, it says "pre-calibration".  Is this one that was missed at the factory?


When I connect to a computer and open Touchstone, the display blanks out.  When I press enter the display comes on, but a blinking HLD is all it will display.  Normal?  (Sure wish there was a Marker available on Touchstone :-)

I was going to upgrade the firmware from my office Mac, but found the documentation to be incomplete and/or contradictory ;-(

Ariel Rocholl

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Oct 25, 2016, 7:54:47 PM10/25/16
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Hi Tim,

The message "pre-calibration" is expected at certain steps where the unit must internally recalculate some calibration data. It should stay a couple of seconds only, otherwise change your Freq Span to a smaller number to re-init the calibration process. More details at http://j3.rf-explorer.com/42-rfe/faq/112-firmware-v111-shows-qpre-calibratingq-on-screen 

Touchstone and Vantage use a multi-scan process to allow finer scan steps, in this configuration the LCD is blank.
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