F-940 Instruction Manual rev. 11/26/2019
1554 NE 3
rd
Ave, Camas, WA 98607, USA
15
Phone: (360) 833-8835
www.felixinstruments.com
case. The cap can be twisted with fingers or a
screw-driver to tighten or loosen it. Take care
when removing batteries, as the cap is spring
loaded. Both batteries should be inserted into
the unit positive (+) side first (towards intake or
top).
Additional button-top 19670 (or protected
18650) batteries can be purchased from your
preferred battery vendor if replacements are
needed.
Basic Operation
To turn the instrument on, press the green
power button. The current version of firmware
the unit is running is displayed in the lower
left-hand corner of the display screen.
Summary of Contents for F-940
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