NO.
Function
Description
3
Monitoring
If CTCSS is enabled on the current analog channel, press the key to switch to
carrier squelch mode (i.e. cancel CTCSS), and the radio outputs voice if
carriers are matched.
4
Emergency Alarm
Send an emergency alarm.
5
Exit
Emergency
Alarm
Quit emergency alarm state.
6
Squelch On/Off
Enable/disable squelch. You may enable this function to receive week signals
on an analog channel.
7
Battery
Level
Indication
Press the key to announce the battery level.
8
Scan
Enable/disable scan. Listen to the communication on other channels.
9
Alert Tone On/Off
Enable/disable alert tones.
10
Zone Selection
Switch to another zone. Zones are programmed using the CPS.
11
Repeater/Talk Around Enable/disable repeater function for the channel.
12
Nuisance Delete
Press the key to delete an unwanted channel from the scan list.
13
Broadcast Call
Make a broadcast call.
LED Indicator
Indicator State
Device State
Red Light on
Transmission in progress.
Green Light on
Reception in progress.
Red Light Flashing
Low battery. Charging is required.
Green Light Flashing Scan in progress.
Yellow Light Flashing In call hold state in digital mode. Exit when hold time is up.
Yellow Light on
The channel is not configured. Switch to another channel.
Icons (UP405S only)
Icon Description
Current channel. (16 channels in total)
Volume level. (14 levels in total)
Mute state.
Low-battery alarm. (Remaining capacity <
5%)
Remaining battery capacity. (High, medium
or low)
The zone of the current channel. (16 zones
in total)
Calling in progress.
Troubleshooting
No. Problem
Reason and Solution
1
Power-on failure
1. Battery out
Solution: Charge or replace the battery.
2. Faulty volume switch
Solution: Get it repaired at the authorized service
station.
2
Low voice during call
1. Speak too far from the microphone