Hioki DSM-8542, Instruction Manual, Page: 48 / 140

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5.2.7 Setting averaging function
The averaging function curbs dispersions of measured values by averaging measured
results.
This function is enabled when the Trigger mode is internal trigger ([INT]).
(1) Keying
(a Press the [F5] PSET key to set the Measuring Condition Setting screen.
On the Measuring Condition Setting screen, the [F4] and [F5] keys change to
keys that select ON and OFF, respectively.
(b) Move to “AVE:” operating the cursor moving keys [
◄
], [
►
], [
▲
] and [
▼
].
Set by keying the [F4] ON and [F5] OFF keys.
5.2.8 Setting trigger mode
This meter has three trigger modes, namely, the Internal Trigger [INT], Manual Trigger
and External Trigger modes.
Select a suitable mode in accordance with the operation.
(1) Keying
(a) Press the [SHIFT] key to set to the Shift mode. The [F1] key changes to
TRIG.
(b) Each pressing of the [F1] TRIG key alternately changes the trigger mode of
the key to the Internal Trigger [INT], Manual Trigger [MAN] and External
Trigger [EXT] modes.
The trigger mode is indicated by a side mark (“
◄
”) on the right of the screen.
(2) Trigger mode operation
The meter operates in each trigger mode as shown in Table 5.7.
Table 5.7 Operation in Trigger Modes
Trigger Mode Operation
Internal Trigger
[INT] Measurement is performed continuously on timing
generated inside the meter.
Manual Trigger
[MAN] Performs one measurement when the [MAN.T] key is
pressed on the panel or a trigger GP-IB command is
input.
External Trigger
[EXT] Performs one measurement when trigger input is
made to “EXT TRIGGER” input in the rear from the
outside.
(3) Trigger mode change
Each pressing of the [F1] TRIG key alternately changes the trigger mode to
Internal Trigger, Manual Trigger and External Trigger modes.
A side mark (“
►
”) indicates a trigger mode that is selected.