Manual

14 Gossen Metrawatt GmbH
➭ Acknowledge the selected parameter by pressing the OK key.
Old Password appears in the header and the digital keyboard is
displayed.
➭ Enter the password via the digital keyboard.
➭ Press the Enter softkey.
New Password appears in the header and the digital keyboard
is displayed.
➭ Press the Enter softkey without making any entry.
Acknowledge Password appears in the header and the digital
keyboard is displayed.
➭ Press the Enter softkey again without making any entry.
The password is deleted. The menu mode is exited by press-
ing ESC three times and the instrument is returned to the mea-
suring function.
> General Setup
 System  
Changing the Password
Note
If you forget your password, please contact our product
support department (see section 15.1).
6.8 Viewing the Instrument’s Name
Each instrument has its own name so that several instruments
can be distinguished from one another. The name consists of
“MetraHit IM” and the last two elements of the instrument’s hard-
ware address.
The instrument’s name must be known in order to be able to
identify it, for example when it’s connected to a PC.
The name cannot be changed.
➭ Press the MENU key.
➭ Press the General Setup softkey.
➭ Select the Interface parameter with the help of the  scroll
keys.
➭ The Name parameter specifies the instrument’s name.
➭ The instrument is returned to the measuring mode after press-
ing the ESC key twice.
> General Setup
 Interface   Name
6.9 Installing a Functions Expansion
You can purchase additional functions. Available functions expan-
sions can be found under “Included Features” and “Scope of
Delivery” on page 2, and in the data sheet which also contains the
order information.
After concluding your purchase, you’ll receive a feature key (pass-
word) which is used to enable your additional functions. The fea-
ture key has to be entered at the instrument.
Attention!
!
When ordering, specify the serial number of the instru-
ment for which you would like to purchase the functions
expansion. The feature key can only be used with this
one specific instrument.
➭ Press the MENU key.
➭ Press the General Setup softkey.
➭ Select the System parameter with the help of the
 scroll
keys.
➭ Switch to the submenu with the help of the
 scroll key.
➭ Select the Feature activation parameter with the help of the

scroll keys.
➭ Acknowledge by pressing the OK key.
A list of possible function expansions appears. Additional
functions which have not been enabled are identified in the list
by means of a red padlock.
➭ Select the previously purchased function expansions with the
help of the
 scroll keys.
➭ Press the Activate softkey.
Password appears in the header and prompts you to enter your
feature key.
➭ Enter the feature key using the digital keyboard. The digital
keyboard is described in section 6.1, “Digital Keyboard” on
page 13.
➭ Acknowledge your entry by pressing the Enter softkey,
➭ Successful enabling is confirmed by a message. The enabled
additional functions are then identified in the list by means of a
green checkmark.
> General Setup  System   Feature activation
6.10 Switching the Instrument Off
The instrument can be switched off manually. The instrument
switches itself off automatically as well (auto off).
6.10.1 Switching the Instrument Off Manually
➭ The instrument is switched off automatically by setting the ro-
tary switch to the OFF position. The display goes blank.
6.10.2 Automatic Shutdown (auto-off)
The period of time after which the instrument is shut down auto-
matically, regardless of whether a measurement or menu view is
open, can be set to a value within a range of 10 to 59 minutes.
Alternatively, automatic shutdown can be deactivated for continu-
ous operation.
The instrument is switched off automatically if the measured value
remains unchanged for a long period of time (maximum measured
value fluctuation of approx. 0.8% of the measuring range per min-
ute or 1C or 1 F per minute), and if none of the keys or the
rotary switch have been activated before a selected period of time
in minutes has elapsed.
Note
Exceptions:
Transmission and memory mode operation, continuous
operation and whenever a dangerous voltage is applied
to the input (U > 15 V AC or U > 25 V DC).
Shutdown is acknowledged with a brief acoustic signal.
> General Setup
 System   Auto-OFF:
10 ... 59 min/Off

3x
6.11 Default Settings (instrument reset)
All of the settings which you have changed can be returned to
their default settings here.
Note
Password protection is also reset, i.e. deactivated.
Note
Test sequences (see section 8.16 on page 53) are
retained.
MENU
MENU
MENU
MENU
OK
OK
ESC