Yamato Scientific DG400 Drying Ovens for Laboratory Tools - Manual (Page 26)

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4. Operating procedures
Useful function (setting lock function)
Using the lock function This function locks the set operation status.
The temperature is set at “off” on shipping from the
factory.
STOP
RUN
MEASURED TEMP.
℃
HEATER
RUN
SET TEMP.
TIMER
SUB MENU
① Press the TIMER key (SUBMENU key) long to enter
the sub menu mode.
Press the TIMER key (SUBMENU key) several times
to select the characters Lock
that indicate the
setting lock function.
STOP
RUN
MEASURED TEMP.
℃
HEATER
RUN
SET TEMP.
TIMER
SUB MENU
② “Off” is displayed on the set temperature screen. To
lock settings, change to “on” using the ▲ key.
Press the TIMER key (SUBMENU key) long to exit
the sub menu mode.
STOP
RUN
MEASURED TEMP.
℃
HEATER
RUN
SET TEMP.
TIMER
SUB MENU
③ To release lock, press the TIMER key (SUBMENU
key) long again and select the characters Lock
that indicate setting lock using the ▼▲ keys.
Lock is released when “off” is selected using the ▼
key.
* When the lock function is “on”, keys other than the
RUN/STOP key and the TIMER key (SUBMENU
key) are locked.