Section 4
Page 4 - 14
MODEL 346 INSTALLATION AND OPERATION MANUAL
HA243821
Issue 5 Mar 98
4.9 INSTRUMENT CONFIGURATION
4.9.1 ALTERNATIVE CHART SPEED
Alt.Chart Spd.
XXX mm/hr
This display is used to establish an alternative (second) chart speed. Any speed between 1 mm/hr and 36,000
mm/hr (1 cm/sec) may be selected in 1 mm/hour increments. The up/down/side arrow keys are used to set the
Chart Speed.
The alternative chart speed is selected on or off, manually from the operator menu (see section 3), or by means
of the speed action equation display, below.
4.9.2 SPEED CHANGE EQUATION
Spd Act Eq ?
The recorder can be made to shift to the alternative chart speed using any of the internal triggers (such as an
active Alarm) or an Event (contact) Input. See Section 3.4 for a discussion of Internal Triggers and Action Equa-
tions. Press Enter to review or change the action equation:-
Spd Act Eq P1
___,___,___,___,
This Action Equation defines the internal triggers that can be used to change to the alternative chart speed. The
up/down/side arrow keys are used to enter the internal triggers.
4.9.3 CHART HOLD EQUATION
Cht Hold Eq ?
The chart hold function of the recorder can be initiated using any of the internal triggers (such as an active Alarm)
or a Contact (event) Input. See Section 3.4 for a discussion of Internal Triggers and Action Equations. Press Enter
to review or change the equation:-
Cht Hold Eq P 1
___,___,___,___,
The up/down/side arrow keys are used to enter the internal triggers to be used to initiate chart hold.