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4. SYSTEM/DISPLAY CONFIGURATION
4-1. Refresh Rate Setting
Background
Refresh rate defines how frequently the DL-2052 captures and updates the
measurement data. Faster refresh rate yields lower accuracy and resolution.
Slower refresh rate yields higher accuracy and resolution. Consider the
trade-off when selecting the refresh rate.
Display/Range
S
5 1/2 digits
M
4 1/2 digits
F
3 1/2 digits
Refresh rate selection
Press the Shift key followed by the AUTO key. The
refresh rate indicator switches to the next rate
setting.
→
→ →
4-2. Trigger Setting
4-2-1. Manual/Automatic triggering
Automatic triggering
(default)
The DL-2052 triggers according to the refresh rate. See the previous page for
refresh rate setting details.
Manual triggering
Press the TRIG key to trigger measurement
manually.
4-2-2. Use external trigger
Background
The DL-2052 uses the internal trigger by default, for example to count the
frequency and the period. Using an external trigger allows customized
triggering condition.
Signal connection
Connect the external trigger signal to the Digital I/O port located on the rear
panel.
DB-9, female
Digital I/O pin assignment
1 2 3 4 5
6 7 8 9
FAIL Out
HIGH Limit FAIL Out
LOW Limit FAIL Out
EOM Out
VCC Out
NC
Digital (Chassis) Ground
External Trigger In
PASS Out