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Panel
The panel has two touch switches, select and increment. The increment switch can
also used to reset the count in the 200C (counter) and 200TC (combined tachometer
and counter) models.
Select
Increment
Protecting Settings (Tamper Protection)
The touch switches can be disabled to prevent the unit's settings from being modified.
Once the lock is activated, it is not possible to change any of the units settings, or to
adjust the sensitivity of the inputs. With the exception of 200TD and 200TDL which
lock via the settings menu, all 200 Series MK3 models have a lock terminal (marked
"LK") on the rear panel. A wire should be connected between LK and 0V in order to
lock the unit. If the unit is powered on when the connection is made, the power must
be cycled in order to activate the lock.
When the lock (LK) terminal is connected to 0V on power-up, the touch switches are
disabled. To release the lock, disconnect the LK input from 0V and cycle the power.
Note: A unit that has been factory reset will attempt to enter set mode on power up. If
the lock is active, the unit is prevented from doing so and will not start correctly.
Remove the connection between LK and 0V then cycle the power. The unit can then
be configured.
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