13
Power ON/OFF：
push once to turn on. Push and hold for 2 seconds while
the power is on to turn off. While the power is on, a quick push of this
button will show the Device ID on the LCD display.
Mute：
switch up to talk and down to mute while the power is on. If the
power is off, switching up from mute will turn the microphone on. In
mute, it is allowed to select 1, 10 or 30 minutes to automatically turn the
microphone off.
Battery compartment：
it holds 2 UM3, AA 1.5V Alkaline batteries or MiNH
rechargeable batteries.
LED indicator：
it shows the microphone's status, including battery power,
mute and pairing.
LCD display：
it shows the parameter settings of transmitter.
SET：
for parameter settings, including frequency, group, channel,
sensitivity, transmission frequency, auto off time, Device ID ,
function (ON/OFF).
Up/down selection keys：
they are used with ''SET'' to change parameter
settings. Before entering the setting mode, a quick push will show the
Device ID on the LCD display.
LOCK ：
push and hold ''LOCK'' for 2 seconds to lock and again to un-
lock. Under ''LOCK'' status MUTE function is still valid.
Charging contact module
: if rechargeable batteries are used, charging is
possible with the matching charger.
4-2 UHF PLL handheld transmitter // /
Note：R-4TH is the same as R-4THA except that the battery cover of the R-4THA is made of
metal.
1
4
2
3
9
5
6
7
8
