Heathkit HM-2140 Manual page 39

Hf dual wattmeter
Hide thumbs Also See for HM-2140:
Table of Contents

Advertisement

voltages to the circuits of integrated circuit
into jack J1, power is taken only from the Converter Charger, the battery, if
installed, is disconnected from the circuit. NOTE: The Converter will not
charge the battery in your Wattmeter even if you use a rechargeable battery.
The Wattmeter may be powered at all times with the Converter; however, if
you wish to operate the instrument away from an AC source, you must use a
battery.
If the Converter is plugged
01.
\rilen be rrm::t pcnel Sensiti\'ity control is rotated fully counterclockwise
lint!
be cu:J:oo: c::cks. the battery (or Converter) power, through contacts
be
o' . . . -itcb (which must be in the AVG position), may be
il:
?.:.:'-.-\i,'G
oboe!'.-ed
portion of the FWD meter. NOTE: If you have turned
CL::::e 3.-\IT
be 5e'lSi:i'.-:'::-' C 02t:rc:)] to check the battery condition, be sure to once again
,::e
:I":::=-
"Set""
::::Ie:er :0 meaSille
'-\:"''-'':'-0
~fPORT.~~";
re:-.leuthe PEP-AVG switch to the AVG (out) posi-
tion wne:J
',1e:er io
in use: this disconnects the battery from the
::=''2::"
::0,
circuit.
SWR.

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents