User's Manual

Elementary Operation
into key mode, in order to economize power consumption. The
user can double click power key to restart LCD.
Use keys to off LCD.
If there is no LCD, it can switch the work mode through two keys
and provide voice service to assist the users in finishing operation.
Table 3.4 Description of key operation (without LCD state)
Function Operation
keys
Content
Working
mode
Double click
Fn key
(interval >0.2
S; less than
1S
Choose the work mode of “base”, “rover” and “static”.
Data link Long-press
Fn key
(Greater than
3 S)
Enter into the mode choice of “GSM” and data link;
click power key to pitch on the mode
Setting
confirmati
on
Click power
key
Promote current work mode, data link mode with voice;
use power lamp to indicate electric quantity of battery
Automatic
set-up
base
Fn key +
power button
startup
Press on Fn key and then press power key to start;
loosen Fn key upon the sound of “ding dong”. Confirm
the current state of receiver with voice prompt
28