Phonecell Operation - continued
Phonecell SX4D Controls
Front Panel
All controls for the Phonecell SX4D are located on the front panel - see Figure 16. Pressing any of the front panel controls will cause the unit to beep for approxi- mately 100 milliseconds when the key is depressed.
Keypad
The keypad includes all digits 0 through 9 and special characters hash (#) and star (*). All data entry and pro- gramming activities are performed using the keypad.
Flash
The flash key is used to produce a hookflash.
See the Hookflash Function section of this manual.
Redial
The redial key redials the last dialed phone number.
Up/Down Keys
When
output level. Each adjustment increment is 6 dB. The volume setting persists until changed by the user, or the volume setting is returned to nominal by resetting the Phonecell (power Off/On).
Voicemail Retrieval
The Voicemail Retrieval key causes the Phonecell SX4D to dial a programmable DTMF
digit string, allowing the user to retrieve voicemail mes- sages. To program the voicemail retrieval number, see the Programming Commands section of this manual.
NOTE: The Voicemail Retrieval feature is dependent upon network availability.
Back Panel
AC/Battery Switch
The AC/Battery switch allows the user to switch between external power (wall cube) and internal (emergency) battery - see Figure 17.
NOTE: When the setting of the AC/Battery switch is changed, the Phonecell SX4D resets itself prior to resuming normal operation - see the Phonecell SX4D Power Mode section of this manual.
Figure 16 – Phonecell SX4D front panel.
AC/Battery
Switch
Figure 17 – Phonecell SX4D back panel.
IMPORTANT!
The AC/Battery switch should be left in the AC position unless the user needs to make a call using the emergency batteries (the batteries provide a useful call time of about 10 minutes before replacement is required).
SX4D GSM 900 • SX4D GSM 1800 | 22 | USER MANUAL |