3M PELTOR LiteCom Plus MT7H7 4410-EU Series Manual page 11

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5.1.3 Scrolling through the menu
Press the On/Off/Mode button (E:10) briefly to browse through the menu. A voice message confirms each step.
5.1.4 Surround volume (level dependent function for ambient sound)
Press the + button (E:11) or – button (E:12) to adjust the ambient sound volume. Each change is confirmed by a voice
message. You can choose between 6 volume levels. The Surround volume is limited to 82dB.
To switch this function off, press the – button (E:12) for two seconds. When this function is switched off it is confirmed by
the voice message "surround volume off". Press the + button (E:11) to switch this function back on.
5.1.5 Radio volume (volume of built-in communication radio)
Press the + button (E:11) or – button (E:12) to adjust the sound level. Each change is confirmed by a voice message. You
can choose between 6 volume levels. To switch this function off, press the – button (E:12) for two seconds. When this func-
tion is switched off it is confirmed by the voice message "Radio volume off".
Press the + button (E:11) to switch this function back on.
NOTE! No radio communication can be heard when the volume is switched off. NOTE! When the volume is switched off all
the applicable menus are hidden
5.1.6 Channel (radio frequency)
Press the + button (E:11) or – button (E:12) to adjust the channel. Each change is confirmed by a voice message. The
number of radio channels that can be used depends on the product. MT7H7*4410-EU = 8 channels, see table L:1 Radio
channel frequencies (PMR). MT7H7*4310-EU = 69 channels, see table L:2 Radio channel frequencies (LPD).
(L:1) Radio Channel Frequencies (PMR) (L:2) Radio Channel Frequencies (LPD)
Channel Frequency (MHz)
1 446.00625
2 446.01875
3 446.03125
4 446.04375
5 446.05625
6 446.06875
7 446.08125
8 446.09375
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Channel Frequency Channel
(MHz)
1 433.075 24
2 433.100 25
3 433.125 26
4 433.150 27
5 433.175 28
6 433.200 29
7 433.225 30
8 433.250 31
9 433.275 32
10 433.300 33
11 433.325 34
12 433.350 35
13 433.375 36
14 433.400 37
15 433.425 38
16 433.450 39
17 433.475 40
18 433.500 41
19 433.525 42
20 433.550 43
21 433.575 44
22 433.600 45
23 433.625 46
Frequency Channel Frequency
(MHz) (MHz)
433.650 47 434.225
433.675 48 434.250
433.700 49 434.275
433.725 50 434.300
433.750 51 434.325
433.775 52 434.350
433.800 53 434.375
433.825 54 434.400
433.850 55 434.425
433.875 56 434.450
433.900 57 434.475
433.925 58 434.500
433.950 59 434.525
433.975 60 434.550
434.000 61 434.575
434.025 62 434.600
434.050 63 434.625
434.075 64 434.650
434.100 65 434.675
434.125 66 434.700
434.150 67 434.725
434.175 68 434.750
434.200 69 434.775