E. CHECK TO SEE
THAT
THE
MECHANICAL
ACTION
OF
THE
VOLUME
CONTROL
IS
SMOOTH
AND
FREE
FROM
BINDING
AS
IT IS MOVED
FROM 0 TO 10
AND BACK.
F. CHECK FOR A
RUSHING
NOISE IN THE
HANDSET WHEN
THE FUNCTION
SWITCH IS IN
THE
ON
POSITION AND
THE
VOLUME
CONTROL
IS
POSITIONED
AT "4" ALLOW
10
SECONDS
FOR
EQUIPMENT
WARM-UP.
40
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