Operation Manual

GMC-I Messtechnik GmbH 19
Control Functions
4.1.2 Manual Measuring Range Selection
Auto-ranging can be deactivated and measuring ranges can be
selected manually in accordance with the following table by
pressing the MAN / AUTO button.
The desired measuring range can then be selected with the
 or
 scroll key.
The instrument is automatically returned to automatic range se-
lection when the MAN / AUTO key is pressed, the rotary switch is
activated or the instrument is switched off and back on again.
Overview: Auto-Ranging and Manual Range Selection
* Via manual measuring range selection only
Function Display
MAN / AUTO
Manual mode active:
utilized measuring range is fixed
MAN
 or 
Range switching sequence for:
V : 300 mV* ↔ 3V ↔ 30 V ↔ 300 V ↔ 600 V
Hz (V AC) :300 Hz ↔ 3 kHz ↔ 30 kHz ↔ 300 kHz
MHz: 300 Hz ↔ 3 kHz ↔ 30 kHz ↔ 300 kHz ↔ 1 MHz
Ω : 300 Ω ↔ 3 k Ω ↔ 30 k Ω ↔ 300 k Ω ↔ 3 M Ω ↔ 30 M Ω
A : 300 μ A ↔ 3 mA ↔ 30 mA ↔ 300 mA ↔ 3A ↔ 10 A (16 A)
Hz (A AC): 300 Hz ↔ 3 kHz ↔ 30 kHz
F : 3 nF ↔ 30 nF ↔ 300 nF ↔ 3 μ F ↔ 30 μ F ↔ 300 μ F ↔
↔ 3 mF
MAN
MAN / AUTO Return to automatic measuring range selection —