Sanyo MDF-U32V Temperature Setting, Chamber temperature, Key lock function, Key operated

Models: MDF-U32V

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TEMPERATURE SETTING

TEMPERATURE SETTING

Chamber temperature

Table 1 shows the basic procedure for setting the chamber temperature. Perform key operations in the sequence indicated in the table. The example in the table is based on the assumption that the desired temperature is -75oC.

Note: The unit is set at the factory that the chamber temperature -80oC.

Table 1. Basic operation sequence (Example: Chamber temperature -75oC)

 

Description of operation

Key operated

Indication after operation

1

Turn the power switch ON.

----

The current chamber temperature is

 

displayed.

 

 

 

2

Press SET key.

SET

The second digit is flashed.

 

 

 

 

When pressed, the figure of settable

 

 

 

3

Set to -75 with the numerical value

 

digit changes.

shift key and digit shift key.

 

When pressed, the settable digit

 

 

 

 

 

is shifted.

 

 

 

Set temperature is memorized and the

4

Press SET key.

SET

current chamber temperature is

 

 

displayed.

 

 

 

Note:

The temperature set mode returns to the temperature display mode automatically when 90 seconds has passed without any key operation.

Although the value of the chamber temperature setting can range from -50oC to -90oC, the guaranteed temperature when there is no load is -85oC when the ambient temperature is 30oC.

Key lock function

This unit is provided with the key lock function. When the key lock is ON, change of temperature setting through the key pad is not available. The key lock is set in OFF at the factory.

Display

Mode

Function

L

0

Key lock is OFF

Enable to change of temperature setting

L

1

Key lock is ON

Disable to change of temperature setting

Table 2. Procedure for key lock setting (change from key lock OFF to key lock ON)

Description of operation

Key operated

1

----

2 Press digit shift key for 5 seconds.

3

Press numerical value shift key

 

and scroll the figure to 1.

 

 

 

4

Press SET key.

SET

Indication after operation The current chamber temperature is displayed.

The first digit is flashed.

When pressed, the figure of settable digit changes.

The key lock is set to ON.

The current chamber temperature is displayed.

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Sanyo MDF-U32V Temperature Setting, Chamber temperature, Key lock function, Description of operation, Key operated