This 3.5mm jack socket is provided for connection to an external speaker (8 OHMS).
Audio level is variable via the volume control. When an external speaker is used, the
built-in speaker will be disabled.
8 Before the set is switched on
8.1 Power supply
Ensure the power switch is in OFF position (switch protruding). Connect the d.c. plug
of the standard power supply to the power input socket which is found on the rear
panel of the AR7000.
8.2 Video format switch
Ensure that rear panel NTSC is selected to enable internal LCD operation.
8.3 Aerial connection
Connect a suitably terminated BNC aerial to the BNC aerial socket on the rear panel
of the AR7000.
8.4 Power it up
Make sure that all necessary connections are made, and double check that the
power supply voltage/polarity are correct. Press the front panel power switch to
switch the AR7000 on. The dial mode set-up will be displayed on the LCD following
the CPU initialising.
9 Keyboard (basic operation)
The AR7000 is designed to be operated using the main dial and keyboard.
Explanation for usage of each key and the main dial follows:
{figure 3}
VOL. UP [
↑]
Increase the volume level, move the cursor upward.
VOL DOWN [
↓]
Reduce the volume level, move the cursor downward.
[
←]
Acts as a back space and is used to move the cursor. It also has the same
action as rotating the main dial anti-clockwise in many menus.
[
→]
Move the cursor. It also has the same action as rotating the main dial clockwise
in many menus.
[ESC] Terminate the on-going key sequence returning to the previously selected
menu.