DigitalFlow™ Multipurpose Ultrasonic Liquid Flowmeter Startup Guide (1- and 2-Channel) 19
Chapter 2. Initial Setup
2.4 Activating a Channel
The ACTIV submenu permits selection of the desired measurement method. In addition, it is used to activate/deactivate
one or both of the channels in a 2-Channel Model DF868.
2.4.1 1-Channel Meter
1. Enter the ACTIV submenu by pressing [F1] at the User PROGRAM prompt.
2. Press [F1] to activate the channel in Transit-Time mode, or [F2] to activate the channel in TransFlection mode.
2.4.2 2-Channel Meter
1. Enter the ACTIV submenu by pressing [F1] at the Channel PROGRAM prompt.
2. Press [F1] (Off) to deactivate the channel and return to the Channel PROGRAM prompt, or press [F2] to activate the
channel in Transit-Time mode, or [F3] to activate TransFlection mode.
Note: If a customer has not ordered the DF868 with TransFlection mode, the TRNFL option does not appear.
Proceed directly to the next section to program the SYSTM submenu.
2.5 Entering System Data for a Channel
Begin the programming of the SYSTM submenu in either the 1-Channel or 2-Channel section below.
2.5.1 1-Channel Meter
For the 1-Channel Model DF868, the information entered in the SYSTM submenu pertains to the global operation of the
flowmeter.
1. At the User Program screen, press the [F2] function key to program the SYSTM submenu.
2. Enter a Site Label of up to 9 characters and press the [ENT] key. (While taking measurements, the site label appears
on the locator bar.)
3. Enter a Site Message of up to 21 characters. Use this screen to enter a brief description of the site. When the
message has been entered, press the [ENT] key.
4. Press [F1] to turn the Energy Option OFF or press [F2] to turn it ON. (The Energy Option calculates the energy of a
system based on temperatures at the supply and return points, and the flow of fluid.)
5. To select the System Units, press [F1] to display parameters and measurements in English units or press [F2] to
display parameters and measurements in Metric units.
6. To program the Totalizer Option, press [F1] to measure totals automatically, or press [F2] to measure totals
manually.
The remainder of the SYSTM submenu is identical for the 1-Channel and 2-Channel versions of the Model DF868.
Proceed to the 1- and 2-Channel Meters section to complete the programming of this submenu.
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