EFJohnson Radio FM Portable Radio Intrinsically-Safe SMARTNET, SmartZone Conventional User Manual
CONTROLS AND DISPLAY
11
CONTROLS AND DISPLAY
Top Panel Controls
On-Off Volume - Turning this knob clockwise turns power on and sets
the volume level. Turning it counterclockwise to the detent turns power
off.
the volume level. Turning it counterclockwise to the detent turns power
off.
Channel Select Switch - Selects up to 16 preprogrammed channels.
Antenna Jack - Connection point for the antenna.
Top Panel Indicators
TX Indicator (Red) - Indicates when the transmitter is keyed.
RX Indicator (Green) Indicates that the channel may be busy because a
signal is being detected.
signal is being detected.
Low-Battery Indicator (Amber) - Indicates that the battery charge is
getting low and a recharge will soon be required.
getting low and a recharge will soon be required.
BATT
RX
TX
OFF/VOL
6
7
8
5
4
3
2
1
12
11
10 9
16
15
14
13
Transmitter
Keyed
Receive Signal
Detected
Low
Battery
On-Off/Volume
Antenna Jack
Channel Select Sw