Alphatron ALPHACALL MF, Руководство по установке и эксплуатации

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ALPHACALL MF manual version 1.0 Page 15 of 22
ALPHACALL MF
4 OPERATING THE ALPHACALL MF
This Chapter explains how to operate the ALPHACALL MF.
Figure 7: Operating the ALPHACALL MF
4.1 Buttons
The instrument is operated using buttons on its front.
4.1.1 Switching the ALPHACALL MF on/off
To switch on the ALPHACALL MF, press the ‘on/off’ button briefly. The instrument will
immediately switch on. To switch off the instrument, press and hold the ‘on/off’ button
somewhat longer.
4.1.2 Dimming the ALPHACALL MF
To change the backlight of the ALPHACALL MF, the ‘dim’ button must be pressed briefly and
repeatedly. The lighting will change in a cycle from minimum to maximum.
4.1.3 Setting the ALPHACALL MF outgoing and incoming volume
Use the ‘<’ and ‘>’ buttons to separately adjust the outgoing and incoming volume of the
intercom.
4.1.4 (De)selecting the substations
Press one of the buttons 1 through 10 briefly to select a substation, the indicator for this
substation will turn green. As long as the indicator is green, a conversation can be held with this
substation. Press the button concerned somewhat longer to deselect the substation.