Hitachi L-2100 Instruction Manual page 37

3.1.2 Part Name and
Function of UI
Pad (option)
PUMP PURGE SET UP
UTLTY
(1) Operation Keys
Each key on the UI pad (option) type operation panel is
explained here.
INSERT
GLP PROG
PUMP Starts/stops operation of the pump. Pressing this key
ON/OFF starts the pump.
Then, pressing it again stops the pump.
PURGE Starts/stops purging the flow path.
For specifying a purging flow rate, use the UTILITY
function.
The upper pressure limit (PRESS MAX) is set at 2.9
MPa (30 kgf/cm
(PRESS MIN) is set at 0 MPa (0 kgf/cm
Pressing this key again stops the purging operation.
UTLTY
1.Used to display/set up auxiliary function conditions
(UTILITY).
/
• Pressure zero-point correction
SET UP
• Purge flow rate setting
• Pressure unit assignment
2.For pump mode selection.
The low-pressure gradient mode, high-pressure
gradient mode, and single-liquid feed mode are
available (SET UP).
GLP Used for confidence-level reporting.
PROG Selects, generates, edits, or deletes a pump program.
, Scroll up and down display.
START Starts the time program. You can activate the start key
only when the pump is at the initial mode.
STOP Stops the time program.
MANUAL Used for manual operation selection display and
setting (mobile phase mixing ratio, FLOW, P-MAX, P-
MIN, %B, %C, %D).
ESC
1. Pressing this key brings you from the numeric value
input state (input state in each mode) back to the
/
MONITOR screen.
LOCK
2. For key unlocking.
OFF
A,B,C,D If you are in manual status and you press the [A]
key %A is set immediately to 100. [B], [C], and [D]
keys provide the same function.
INITIAL Puts the systems to the initial setting of program
whose no. is selected by [PROG] key (time program: 0
minutes)
3 - 4
STOP MANUAL
START
7 8 9
A B C D
4 5 6
INITIAL
1 2 3
2
), and the lower pressure limit
LOCK OFF
0
ESC
DEL
CL ENT
2
).