Chemglass CG-4600-01 - Manual (Page 7)

7
Important Points to Know
1. While the Ramp-to-Setpoint feature in activated, the display alternates between the current reaction
pressure and the word “SPr” to indicate that a “SetPoint Ramp” is active.
2. Once the Ramp-to-Setpoint feature is activated in programming mode, it will remain active until it’s
deactivated in programming mode. Ramp-to-Setpoint feature remains active even if power is turned
off to the controller.
Activating & Programming the Ramp-to-Setpoint Feature
1. Press and hold in both the ▼ and ▲ keys on the front of the meter until the word “tunE” appears in the
display, then release both keys.
2. Press the ▲ key (8 times) until the word “SPrr” appears in the display.
This is where you set the ramp rate in units of torr/hour. First hold in the ‘*’ key, then while holding in the *’
key press the ▼ or ▲ key until the desired ramp rate appears in the display, then let go of all the keys. Units
are in torr/hour, (i.e., mmHg/hour).
3. Press the ▲ key once and the word “SPrn” will appear in the display.
This function turns the ramping feature ON, OFF, or to Hold. First hold in the ‘*’ key, then while holding in
the *’ key press the ▼ or ▲ key until the desired setting appears in the display, then let go of all the keys.
4. Press the ▲ key once and the word “SoaK” will appear in the display.
This is where the soak time is set in units of Minutes. A soak time of ‘ -- ‘ means to ‘soak forever’ (this
setting is one below ‘0’). First hold in the ‘*’ key, then while holding in the *’ key press the ▼ or ▲ key until
the desired time appears in the display, then let go of all the keys. If a soak time is set, the controller display
will alternate between showing the current reactor pressure and the word “StoP” when the soak time has
expired to indicate that power has been turned off.
5. To exit programming mode, press and hold in both the ▼ and ▲ keys until the pressure appears in the display,
and release both keys.
Deactivating the Ramp-to-Setpoint Feature
1. Press and hold in both the ▼ and ▲ keys on the front of the meter until the word “tunE” appears in the
display, then release both keys.
2. Press the ▲ key (9 times) until the word “SPrn” appears in the display.
This function turns the ramping feature ON and OFF. First hold in the ‘*’ key, then while holding in the *’
key press the ▼ or ▲ key until OFF appears in the display, then let go of all the keys.
3. To exit programming mode, press and hold in both the ▼ and ▲ keys until the pressure appears in the display,
and release both keys.