Hg Lamp Replacement - Hitachi PRIMAIDE 1440 Instruction Manual

5.2.2 Hg lamp replacement

<Wavelength setting screen (Em indicated)>
Ex Em
350 350
Press the ENT key.
(iv) The 1
Press  or  key and the 2
(v)
appears.
nd
<2 monitor screen>
Ex Em MONITOR (Ex)
350 350 *******
(vi) In the present status, turn the FOCUS,
HORIZONTAL and VERTICAL adjusting screws
gradually in a repetitive manner while watching
the MONITOR (Ex) value on the screen until this
value is maximum. When a maximum value is
reached, the fine adjustment of the lamp position
is completed.
(vii) Press ,  or ESC key and the 1
screen will return.
(4) Entry of Lamp Replacement Date
When the above procedure is finished, enter a lamp
replacement date (see .3.3.2). With this entry, the
cumulative on-time is set to "0" and the number of lightings
to "1".
Item to prepare:
• Hg Lamp (P/N890-2662)
(1) Replacement of Hg Lamp
(a) Turn off the power switch and unplug the power cord.
(b) Loosen the six retaining screws of the light source
cover and detach the cover (Fig. 5-11).
5 - 17
(250 - 900.0)
st
monitor screen appears.
(Em)
*******
nd
monitor screen
LAMP [I]
Xe
st
monitor