The reference point will change slightly with changes in temperature in the instrument (and that is the
reason why the reference point is not set at zero, since it could make the instrument insensible working
in some extreme temperatures), but since the signals are measured relative to the reference point the
instrument is always giving equally accurate information on the meters!
2.4 Sound On/Off
Choose Sound On/Off in the main menu to turn the beeper (pitch tone) On or Off. It is only audible in
Single channel mode. The idea is to help finding the strongest signal on the selected channel by
listening to the highest pitch of the tone.
2.5 Power to antenna
Choose Power to antenna in the main menu to select 5 or 12 Volt to be fed to the ANTENNA port, or to
turn Off the power. The power to the antenna port is changed immediately
when the red ON/MENU
button is pushed even if you are in the main menu mode.
CAUTION!
Do not connect the antenna to the antenna port before the correct voltage is chosen. If the
antenna should be fed with 5 Volt and You accidentally choose 12 Volt instead, it may damage the
antenna. The chosen Voltage output to the antenna port is indicated in Single channel mode.
2.6 Select channels
In this mode You can select the channels to be stored in DIGIAIR’s memory. The stored channels are
shown in Selected ch’s mode.
Set up the three pages with the channels of Your choice. Do like this:
1) When the Page/Meter flashes, use the UP
and OFF/DOWN buttons to select which one of the
eighteen positions You want to change channel on.
2) When pushing the red ON/MENU
button the channel number is flashing. You can now change
the channel number with the UP
and OFF/DOWN buttons. Push the red ON/MENU button to
store the channel.
Simply repeat this procedure for all the channels You want to store. When you are done exit the Select
channels mode; select Exit? and push the red ON/MENU
button. The choice Exit? appears on each
row when you move a step to the right of meter number 6 and also when you change Page.
NOTE: If changing the CCIR System, the channel numbers will also change since different
CCIR Systems uses different channel numbering.
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