Con trols  and  Con nec tions  - Rear Panel
Fig ure  5
WTR-680  Rear  Panel/Con nec tor/An tennas
1. [MENU] and [SET] but tons – Used to se lect menus and
set op tions on the LCD.
2. LCD (Liq uid Crys tal Dis play)
3. [UP] and [DOWN] but tons – Used to se lect beltpack op -
tions on the LCD.
4. Mi cro phone  Gain – Ad justs the head set’s mi cro phone
gain. Ad just so that the BAT/OM LED will flash at the be -
gin ning of most words at nor mal speech lev els.
5. Push-to-Talk/Push-to-Transmit Switch – 
Push-to-Talk (PT TALK) – The trans mit ter is al ways 
on. No au dio sent un less the talk switch, WTA or SA
but ton  pressed.  Rec om mended  po si tion.
Push-to-Transmit (PT TX) - The trans mit ter and au -
dio path are off ex cept when the talk switch, WTA or
SA but ton is pressed.
Fig ure  6
Head set Jack Wiring
6. Head set  Con nec tor – Male XLR con nec tor. A dy namic or 
electret  head set  mi cro phone  is  au to mat i cally  de tected  by
the beltpack and a bias volt age sup plied if needed.
7. Bat tery  Latch – Press down to en able the bat tery pack to
be re leased. While the latch is held down, slide the bat tery 
pack about 1/8 inch back, to ward the latch, un til it stops.
Then lift out.
8. Re ceive  An tenna – Screw type ¼-wave re place able an -
tenna. The re ceiver an tenna is al ways the lon ger an tenna.
Color dot on the screw end of the an tenna must match
color dot on an tenna re cep ta cle.
9. Trans mit  An tenna  – Screw type ¼-wave re place able an -
tenna. Color dot on the screw end of the an tenna must
match color dot on an tenna re cep ta cle.
3-2
MENU
SET
M
I
C
P
T
T
X
 
PT
T
A
LK
6
7
8
9
MENU
SET
M
I
C
P
T
TX
 
 
PT
T
AL
K
2
1
3
4
5
(1) Microphone
Shield (-)
(2) Microphone
Audio (+)
(4) Headphone
Low (-)
(3) Headphone
High (+)