Hitachi CHROMASTER 5160 Instruction Manual page 32

No. Key
1 PUMP
ON/OFF
2 PURGE
3 SET UP
UTLTY
Press this
key to
select with
the power
ON.
4
UTLTY
5
GLP
6
PROG
Table 2-2 Name and Function of Each Key
Function
Performs Start/Stop of Pump. Press to
start, and press again to stop.
Performs Start/Stop of purging the flow
path.
The purging flow rate is set on "Utility".
The upper limit pressure value (PRESS
MAX) is set at 2.9 MPa, and the lower limit
pressure value (PRESS MIN) is set at
0 MPa. Press the key once again to stop
purging.
1. Selects the pump mode.
Pump mode (Setup):
 One liquid pumping
 High-pressure gradient
 Low-pressure gradient
2. Sets LCD contrast of UI Pad (option).
Displays and sets the contents of the
auxiliary function (UTILITY).
1. Correction of zero pressure
2. Setting the motor control method
3. Setting purge flow rate/time
4. Setting low pressure gradient mode
(LFM/HFM)
5. Specifying pressure unit
6. Setting column flushing
7. Inputting event code
8. Setting link program
9. On/Off of leak sensor
Selects GLP information.
1. Displays the
Displays the total flow rate.
Displays and sets Date for replacing
Pump seal, information of double-speed
error.
2. Sets Key lock.
Specifies creation, edit, and deletion of the
gradient program.
2 - 7
Remarks
When the flow rate is set at
0 mL/min, the operating
condition is "Waiting".
NOTE:
Switch the purge valve to
OPEN without fail before
using. If not, pumping is
stopped at the upper limit
pressure value.
When an auto purge valve is
connected, open/close of a
valve is performed
automatically.
Press this key together with
the Power key to display the
Setup screen.
Keep the keys pressed
down until the Setup screen
appears.
4. Sets only when the low-
pressure gradient is
used.
1. The information of
optional parts is enabled
only when it is
connected.
2. Press the ESC key to
release key lock.
When changing from the
Manual status, press the
INITIAL key to get the
Programming mode.