User Manual

GMC-I Messtechnik GmbH 7
2 Initial Start-Up
Battery operation
Be certain to refer to section 12.2 regarding correct battery
installation.
Attention!
!
As a result of internal battery voltage monitoring, the
instrument may respond as follows if the battery charge
level is low:
– Cannot be switched on.
– Shuts back down immediately.
– Shuts back down if a load is connected to the output.
If this is the case, replace the batteries in accordance
with section 12.2, or continue work with the power pack if
possible.
Operation with the Power Pack (accessory, not included)
Installed batteries are disconnected electronically if the NA X-TRA
power pack is used, and need not be removed from the
instrument (see also section 12.2). If rechargeable batteries are
used, they must be recharged externally.
Switching the Instrument On Manually
➭ Move the rotary switch from OFF to any calibration function.
or
➭ Press the ON / OFF | LIGHT key if the rotary switch is not in the
OFF position.
Power-up is acknowledged with a brief acoustic signal. As
long as the key is held depressed, all of the segments at the
liquid crystal display (LCD) are illuminated. The LCD is shown
in the diagram on page 3.
After the key is released, the device is ready to execute
calibration.
Switching the Instrument On with a PC
After transmission of a data frame from the PC, the simulator is
switched on. See also section 10.1.
Note!
Electrical discharge and high frequency interference may
cause incorrect displays to appear, and may disable the
simulator. Switch the instrument off and back on again in
order to reset.
If the problem persists, briefly dislodge the
battery from the connector contacts.
Setting Time and Date
See section 9.2 on page 22.
Switching the Instrument Off Manually
➭ Press and hold the ON / OFF | LIGHT key until OFF appears at the
display. Shutdown is acknowledged with two, brief
acoustic signals.
➭ Complete shutdown of all functions including the IR interface
is accomplished by turning the rotary switch to OFF.
Automatic Shutdown of the Calibrator
The device is switched off automatically after the selected time
with the AP oFF function (see section 9.2), has elapsed.
Shutdown is acknowledged with a brief acoustic signal.
Automatic shutdown is disabled in the continuous operating
mode (AP oFF = on).
Disabling Automatic Shutdown
The instrument can be set to continuous operation.
➭ Select AP oFF = on in the Setup menu (see section 9.2).
Continuous operation is indicated at the display with the
symbol.