H3CR-F/G/H
H3CR-F/G/H
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Operation
Note: The undermentioned is common for all H3CR-F/G/H models.
Basic Setting
Setting of Selectors
The selectors can be turned clockwise and counterclockwise to se-
lect the desired time unit, time range, or operating mode.
Each selector has a snap mechanism that secures theselector at a
given position. Set the selector at a position at which it is secured.
Do not set it midway between two securing positions or a malfunc-
tion could result from improper setting.
Groove for
screwdriver
Operating mode
display window
Operating mode
selector
(i.e., H3CR-A)
Selection of Time Unit and Time Range
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H3CR-F Twin Timers
A time range (0 to 1.2, 0 to 3, 0 to 12, or 0 to 30) is selected for ON-
and OFF-time using the time range selector at the lower left corner
of the front panel, and the selected time range appears within the
plastic frame of the time setting knob (= scale range display win-
dows).
For ON-time, the desired time unit (sec, 10 s, min, and hrs, or 10 s,
10 min, hrs, and 10 h) is indicated in the ON-time unit display win-
dow at the lower right corner of the front panel and can be changed
by turning the ON-time unit selector located below the ON-time unit
display window.
For OFF-time, the desired time unit (sec, 10 s, min, and hrs, or 10 s,
10 min, hrs, and 10 h) is indicated in the OFF-time unit display win-
dow at the upper right corner of the front panel and can be changed
by turning the OFF-time unit selector located below the OFF-time
unit display window.
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H3CR-G Star-delta Timers
A star operation time range (0 to 6, 0 to 12, 0 to 60, or 0 to 120 se-
conds) is selected with the star operation time range selector at the
lower left corner of the front panel.
The time required for switching (0.05, 0.1, 0.25, or 0.5 second)from
the star operation to the delta operation of the H3CR-G can be se-
lected withthestar-deltatransfer timeselectorat thelowerright cor-
ner of the front panel.
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