Retevis RA636 Manual Del Usuario página 7

14. Double waiting
Dual standby function allows the device to receive messages from two
channels
● Press the MENU- button 7 times, the 2CH character flashes on the display
● Press the ▲up key or the down key to select the second channel, and select
to (OF) to close the dual standby function
● Press the PTT- button to confirm the selection and return to standby mode.
15. Backlit display
Press any button except for the MENU button to activate the backlight of the
LCD display. The backlight will light on about 5 seconds.
16. Earpiece connection
The device can be used with an earpiece (If there is an earpiece packed
together with the device).
The connector is located on the top of the device.
Insert the earpiece plug into the connector (2.5mm jack).There is a small
"PTT" button on the earpiece that has the same function as the PTT button on
the device.
When you use the PTT button from the earpiece, you must also use the
microphone from the earpiece to talk.Note: Do not connect other earpieces; it
may damage your device.
17. Battery saving function
When the device has not been used for 6 seconds, the economy mode is
automatically activated. This does not affect the reception of transmission and
the standby mode is automatically re-activated as soon as a signal is detected.
18. Built-in Flashlight
Your device has a built-in flashlight that can be used in sending light signals or
for our lighting needs.
19. Lock & Unlock the device
Press and hold the MENU button for 3 seconds to lock the device.
Press and hold the MENU button for 3 seconds to unlock the device.
20. Technical specifications
Channel:
Frequency:
Privacy Code:
Transmission Power ≤0.5W
Range
Battery type
Modulation type
Channel spacing
16(PMR446)+LPD433 channels
446.00625MHz ~ 446.19375MHz (PMR)
433.0750 MHz ~ 434,7750 MHz (LPD433)
99 Groups
Up to 5 mile in open field
4 x AAA Alkaline/rechargeable batteries
(DC 6.0V The battery voltage: 1.5V)
FM-F3E
12.5 kHz
5