4
1. What is What & Basic Operations
1:A
ON/OFF
To turn the ORA TAC unit on or off, press and hold the “+” or “-” button for at least
3 seconds
1:B
PTT – (Push-To-Talk)
To transmit, press either PTT switch while talking
1:C
+/- Volume Controls
Talk -Through Volume
• To increase volume press the “+” button
• To decrease volume press the “-“ button
NOTE: The radio listening level is controlled by the radio volume control.
1:D
Battery Compartment
BATTERY SAVE MODE:
Auto Turnoff starts after 2 hours of non-active use.
A warning signal is emitted one minute prior to shut-off.
Pressing the “+” or “-” button will reset the two hour timer
1:E
Connection plug for communication radio
1:F
In-Ear Headset
In-Ear headset with electret microphone
An ambient microphone in each ear for listening to the external environment safely
Two internal speakers for listening to received audio
2. Assembly
Unpack the ORA TAC Carton, verify the following items are present:
• ORA TAC
• Two AAA batteries
• Eartips
2:A
Attach eartips to the earbuds
2:B
Attach the radio cable to the ORA TAC (To disconnect, press the small button
and pull apart.)
2:C
Install two AAA batteries as shown, insert positive ends first
2:D
Connect completed assembly to the radio
3. Fitting and adjustment
Inserting the earplugs
The earplugs should be inserted in the ears according to the R/L (right/left) mark-
ings on the assembly.
Earplugs should be clean before fitting.
INSERT rounded tip into ear canal WHILE PULLING ear outward & upward with
opposite hand.
See illustration 3:A
ADJUST for best noise reduction.
CHECK FIT after inserting plug:
PULL plug stem gently. Plug should not come out of the ear easily. If it does,
remove plug & repeat fitting.
LISTEN to steady loud noise with plugs in both ears. Cover ears with tightly cupped
hands. Noise should sound about the same whether or not ears are covered.
