Promax TC-280 Operation Manual page 16

4. Press the Left Arrow key again you will see that the Gas LED remains lit. You
will set a time value for the next two settings only if you wish to use the PULSE
GAS feature.
5. Using the Plus / Minus keys set a GAS ON time
6. Press the Left Arrow key to move to the GAS OFF time setting.
7. Using the Plus / Minus keys set a Gas Off time.
8. Press the Left Arrow key to move to the next setting.
Important Note:
mode you MUST turn the GAS Feature and the PULSE feature on for them to
become part of the cycle. To do this Press the Gas On / Off key, indicated in
Figure 6 above. The Gas On / Off / Pulse LED will light up. This indicates that
the gas flush system is engaged.
If you wish to engage the PULSE feature you must Press the PULSE On/Off
touchpad indicated in Figure 6 (on the previous page). The Gas On / Off LED
will begin to blink. The gas pulse feature is now engaged.
B. Vacuum by Percentage: This option allows your machine to control the amount of
vacuum achieved as a function of vacuum pressure instead of being time based. Your
machine must be equipped with the optional Sensor Control for this option to be
used.
1. Enter the Edit Mode (follow the instructions in point D on Pg.00)
2. Make sure the LED above the word VAC is on.
3. Press the Minus key repeatedly until you pass -1. You will see the Time / Percent
display change to 99.
4. Continue to Press the Minus key until you have reached the vacuum percentage
you desire..
5. Press the Left Arrow key to move to the next setting.
C. Percentage + Time Vacuum: This setting will allow your machine to reach 99%
then continue to vacuum for a set amount of time before moving to the next stage of
the cycle.
1. Follow the instructions above to the point where the number 99 has appeared in
the Time / Percent display.
2. Press the Plus key and you will see a 1 with what looks like a sideways T next to
it appear.
3. Continue to Press the Plus key until you have set the amount of time you want the
vacuum to continue after 99% has been achieved.
4. Press the Left arrow key to move to the next setting.
D. Pulse Vacuum: This feature allows you to set the vacuum to pulse on and off for a
preset Total Vacuum Time. If this optional feature has been purchased you will notice
that the VAC setting will require three (3) settings to complete.
Once you have returned the control to the normal operation
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