2 CONTROLS
The SDM630 Control Head has the following features:
• 11 programmable direct Function Buttons.
• 10 additional indirect Function Buttons (keys 0 – 9).
• 2000 Channels.
• 40 Zones.
• 250 Channels per zone.
• Liquid Crystal Display (LCD) 102 x 64 graphic display. Eight lines of 14 characters
(small font). Three fonts, small medium and large. Context based soft menu labels.
• Light Emitting Diode (LED) indicator.
The controls on the SDM630 control Head are shown below in Figure 1.
Figure 1: SDM630 Control Head.
The functions of each of the controls are detailed in below Table 5.
SDM630 Key Label Function
Power On/Off
To turn the radio on, press and hold the volume knob
for about 1 second. To turn the radio off, press and
hold the volume knob until the long tone sounds.
PTT
Push-To-Talk. Hold the microphone about 10 cm
from the mouth. Press and hold the PTT switch and
speak. Release to listen.
Volume
Turn the volume knob clockwise to increase volume
and anti-clockwise to reduce volume.
Function Key F1
Programmable Function key.
Default – Menu Select.
Doc Number: TNM--U-E-0108 ISSUE 1.5 Page 24
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