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Installation
Additional Precautions for Service Engineers
Front Panel Soft Recovery (Cold Start)
Use the following procedure if you need to perform a front panel soft
recovery (i.e. cold start) of the instrument.
Soft Recovery Procedure
1 Switch off the instrument.
2 On the instrument front panel - press and hold softkeys 0 and 4
simultaneously (the softkeys immediately below the display; key 0 is
on the extreme left).
3 Power up the HP 37718A or HP 37719A while holding the softkeys
pressed.
4 When the LOS LED has flashed OFF and then ON again, the keys can
be released.
5 The LOS LED will flash OFF/ON again several times (7), followed by
an audible ‘beep’ and the display indicating ‘Initializing Instrument’.
6 Once the initiations is complete the display will indicate:
‘Firmware Revision Update’
‘Default settings assumed’
Hit any key to attempt restart’
7 Hit any key, then wait approximately 10 seconds. The instrument
should return to its default settings and normal operation.
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