Mettler Toledo SevenGo Duo pro SG78 Instrucciones De Manejo página 23

3. Access control
System settings
PIN settings are available for:
1. System settings
2. Deleting data
3. Instrument login
a) Switch PIN protection for the required access control ON. The window for entering an alphanumeric
PIN appears.
b) Enter an alphanumeric PIN (max. 6 characters).
The input window for PIN verification appears.
c) Confirm PIN.
A maximum of 6 characters can be entered as PIN. In the factory default settings, the PIN for system set-
tings and deleting data is set to 000000 and is activated, no instrument login password is set.
4. Acoustic signal
An acoustic signal can be switched on in the following three cases:
1. Key is pressed
2. Alarm/warning message appears
3. Measurement is stable and has endpointed (stability signal appears)
5. Expert/Routine modes
The meter has two working modes:
●
Expert mode: the factory default setting enables all functions of the meter.
●
Routine mode: some of the menu settings are blocked.
The concept of the two working modes is a GLP feature that ensures that important settings and stored
data cannot be deleted cannot be unintentionally changed under routine working conditions.
The meter only allows the following functions in the routine mode:
●
Calibrating and measuring
●
Editing user, sample and sensor IDs
●
Editing the MTC temperature
●
Editing data transfer settings
●
Editing system-settings (PIN-protected)
●
Storing, viewing and printing data
●
Running the instrument self-test
6. Screen settings
Screen contrast
The screen contrast can be set from levels 1 to 6.
Auto-shutoff
The meter will auto-shutoff when no key is pressed in a preset time to save the battery life. The time can
be set (5 min, 10 min, 30 min, 1hour, 2 hour) for the meter auto-shutoff or set to "Never" to disable
this fea ture. If "never" is selected, the Auto-off override icon
man u al ly switch off the meter by pressing ON/OFF.
Backlight off
If the backlight feature is activated (Backlight icon
key press and switches off again when no key is pressed for a preset time to save the battery life. The
time can be set (10 s, 15 s, 30 s, 1 minute) after which backlighting automatically switches off, or set
to "Never" to leave the backlighting always switched on.
Press and hold the Backlight key to deactivate backlighting.
The Backlight icon
pH/ORP/Ion/Conductivity meter SG78
on the display), the backlight switches on with a
disappears from the display.
appears on the display and you need to
Setup
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