Retevis H-777, User Manual, Page: 11 / 12

18
Retevis
SPECIFICATIONS
Freq
u
ency Range
RF Rated Power
Channel Capacity
Operated Voltage
Dimensions
Weight
Note:
400-470MHz
5W
16
3.7V
115mm x 60mm x 33mm
150g
All specifications are subject to change without notice.
TROUBLESHOOTING GUIDE
TROUBLES
No Power
Couldn't I communicate with
other gro
u
p members.
Hear the voice from other
groups.
Can't turn on the radio and
even it is turned on, it often
sh
u
ts off a
u
tomatically.
GUIDE
Check battery installation and/or replace batteries.
Voltage Capacity Q
u
ickly Go Out.
The l:>attery life 1s over, replace new one.
First,�lease verify that the channel frequency and the
g��
�.,Y�ge%�1f
u
��&.�tn�7f,;q':,'::�Jt��
0
�:
8tc%'!l
a,:e �e same
.1
.Please verify that your group members are
w1thm the raa10 coverage
CTCSS for lhe channel. At lhe same
d to the CTCSS for all the radios in
on't like this, you may apply another
Please check whether the MIC is blocked by something.
If so, Please return the radio to your authorized dealer
for maintenance. Sometimes, your frequency is same as
the freq
u
ency of other gro
u
ps.
Please check the battery contacts on the radio. If it is
broken or twisted, please return the radio to your authorized
dealer for maintenance
WARRANTY CARD
Model: Serial NO.:
Dealer: User name:
---------------------- ---------------------------
Address: Purchase Date: -----------------------------------------------------
Tel NO.: Fax NO.:
Zip Code: ______________________________________________ _
Warranty Remarks:
1. The consumer keeps the warranty card as the proof for repairing.
2. The card is of validity with the stamp and date.
3. The card mustn't be altered. Please confirm that the card NO.
and the machine NO. must be same, or else it is not valid.
4. The accessories, such as charger, battery, earphone, antenna,
and program cable are not covered. The dealer will repair or
replace any defective parts during one year limited warranty
period.
5. The consumer can send the machine to the purchase site or
our maintenance sites for repairing.