(L) Aerial port for radio modem
(M) Port for external GNSS aerial
Fig. 108
LED functions
Battery status LED (H):
• Green: > 85%
•
Orange: Medium
• Red: < 15%
The LED also indicates the following:
• Flashing once a second: External current supply is connected, internal battery is being charged.
• Flashing every five seconds: Receiver is using the internal battery and no external current supply is
connected.
• Off: Receiver is in "OFF" mode or internal battery is discharged and no external current supply is
connected.
NOTE:
If the internal battery is flat and no external current supply is connected, the receiver will switch to "OFF"
mode to protect the battery from deep discharge.
Implement status LED (K):
• Flashing red: Receiver is on but cannot receive satellites.
• Flashing green: Receiver is switched on and receiving satellites; one flash per received GPS satellite.
• Flashing orange: Receiver is switched on and receiving satellites; one flash per received GLONASS
satellite.
Modem status LED (G)
• Flashing red/green alternately: Base station sending correction data.
7.17.4 Initial start-up
• On delivery the base station is in "OFF" mode; the internal battery is not charged.
• Connect an external current supply or charge internal battery.
To charge the battery:
1. Connect charging cable to port F.
2. Press Reset (I) button. The base station switches to "ON" mode. If necessary, switch to Standby
mode (see below). The base station cannot be charged in "OFF" mode.
After 9 hours the battery will be 90% charged, and in 10 hours fully charged. It is not possible to
overcharge the battery. The charge level of the battery is indicated by the Battery status LED (H).
7. Start-up
VarioGuide 137
438.020.070.012
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