Sanyo MDF-593, Instruction Manual

18

   OPERATING INSTRUCTIONS 

    Setting of alarm resume time

The alarm buzzer is silenced by pressing BUZZER key on the control panel during alarm condition (Initial 

setting 100:    The remote alarm is not silenced). 

The buzzer will be activated again after certain suspension if the alarm condition is continued. The 

suspension time can be set by following the procedure shown in the Table 3 below. 

The example in the table is based on the assumption that the desired duration is 30 minutes. 

Note: 

  The duration is set to 100 (no alarm resume time) at the factory.

Table 3.    Setting procedure (change to 30 minutes from no alarm resume time)

Description of operation

Key operated

Indication after operation

1  

----- 

The current chamber temperature is 

displayed. 

2 

Press the numerical value shift key 

for about 5 seconds. 

The first digit blinks. 

The settable digit is shifted. 

3 

Set to F25 with the digit shift key 

and numerical value shift key. 

When pressed, the figure of settable 

digit changes. 

4  Press ENT key. 

ENT 

The current setting is displayed   

and the first digit blinks. 

The settable digit is shifted. 

5 

Set to 130 with the digit shift key 

and numerical value shift key. 

When pressed, the figure of settable 

digit changes. 

6  Press ENT key. 

ENT 

Alarm resume time is memorized   

and the current chamber   

temperature is displayed. 

• The settable alarm resume time is between 10 and 60 minutes with 1 minute increment.    (The setting is 

010, 111, ------- 159, 160).    The buzzer would not reset if the resume time is set in 000. 

• The buzzer is ON when the resume time is changed in F25 while the resume time is counted (the 

buzzer is silenced by BUZZER key).    The count of resume time is stopped. 

• The setting cannot be changed during power failure. 

• The set mode returns to the temperature display mode automatically when 90 seconds has passed 

without any key operation.    In this case, any setting before pressing ENT key is not memorized. 

• It is selectable whether the buzzer is in conjunction with the remote alarm or not when the buzzer is 

silenced by BUZZER key.    (The remote alarm is not in conjunction with the buzzer by factory setting.) 

• The remote alarm is activated in conjunction with the buzzer if the third digit “1” is set to “0” in the step 5 

above